Home / 157,007.90-216,668.52-85,386.29

Finding the Fourth Proportional to 157,007.90, 216,668.52 and 85,386.29

Calculator

Solution

The fourth proportional to 157,007.90, 216,668.52 and 85,386.29 is: 117,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,007.90 : 216,668.52 = 85,386.29 : x
  2. Step 2: Convert to fraction form
    157,007.90/216,668.52 = 85,386.29/x
  3. Step 3: Cross multiply
    157,007.90x = 216,668.52 × 85,386.29
  4. Step 4: Simplify right side
    157,007.90x = 18,500,519,999.25
  5. Step 5: Solve for x
    x = 18,500,519,999.25/157,007.90
  6. Step 6: Final answer
    x = 117,831.78

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.