Home / 157,729.26-217,666.56-101,140.62

Finding the Fourth Proportional to 157,729.26, 217,666.56 and 101,140.62

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Solution

The fourth proportional to 157,729.26, 217,666.56 and 101,140.62 is: 139,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,729.26 : 217,666.56 = 101,140.62 : x
  2. Step 2: Convert to fraction form
    157,729.26/217,666.56 = 101,140.62/x
  3. Step 3: Cross multiply
    157,729.26x = 217,666.56 × 101,140.62
  4. Step 4: Simplify right side
    157,729.26x = 22,014,930,831.67
  5. Step 5: Solve for x
    x = 22,014,930,831.67/157,729.26
  6. Step 6: Final answer
    x = 139,574.17

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1.5x scale

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.