Home / 181,975.76-272,963.64-71,090

Finding the Fourth Proportional to 181,975.76, 272,963.64 and 71,090

Calculator

Solution

The fourth proportional to 181,975.76, 272,963.64 and 71,090 is: 106,635

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,975.76 : 272,963.64 = 71,090 : x
  2. Step 2: Convert to fraction form
    181,975.76/272,963.64 = 71,090/x
  3. Step 3: Cross multiply
    181,975.76x = 272,963.64 × 71,090
  4. Step 4: Simplify right side
    181,975.76x = 19,404,985,167.60
  5. Step 5: Solve for x
    x = 19,404,985,167.60/181,975.76
  6. Step 6: Final answer
    x = 106,635

Related Problems

Find fourth proportional to 90,987.88, 136,481.82 and 35,545
Half scale
Find fourth proportional to 363,951.52, 545,927.28 and 142,180
Double scale
Find fourth proportional to 181,976.76, 272,965.14 and 71,091
Similar ratio
Find fourth proportional to 272,963.64, 409,445.46 and 106,635
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.