Home / 111,929.28-167,911.20-38,040

Finding the Fourth Proportional to 111,929.28, 167,911.20 and 38,040

Calculator

Solution

The fourth proportional to 111,929.28, 167,911.20 and 38,040 is: 57,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929.28 : 167,911.20 = 38,040 : x
  2. Step 2: Convert to fraction form
    111,929.28/167,911.20 = 38,040/x
  3. Step 3: Cross multiply
    111,929.28x = 167,911.20 × 38,040
  4. Step 4: Simplify right side
    111,929.28x = 6,387,342,048
  5. Step 5: Solve for x
    x = 6,387,342,048/111,929.28
  6. Step 6: Final answer
    x = 57,065.87

Related Problems

Find fourth proportional to 55,964.64, 83,955.60 and 19,020
Half scale
Find fourth proportional to 223,858.56, 335,822.40 and 76,080
Double scale
Find fourth proportional to 111,930.28, 167,912.70 and 38,041
Similar ratio
Find fourth proportional to 167,893.92, 251,866.80 and 57,060
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.