Home / 157,760.24-217,708.88-101,171.52

Finding the Fourth Proportional to 157,760.24, 217,708.88 and 101,171.52

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Solution

The fourth proportional to 157,760.24, 217,708.88 and 101,171.52 is: 139,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,760.24 : 217,708.88 = 101,171.52 : x
  2. Step 2: Convert to fraction form
    157,760.24/217,708.88 = 101,171.52/x
  3. Step 3: Cross multiply
    157,760.24x = 217,708.88 × 101,171.52
  4. Step 4: Simplify right side
    157,760.24x = 22,025,938,307.10
  5. Step 5: Solve for x
    x = 22,025,938,307.10/157,760.24
  6. Step 6: Final answer
    x = 139,616.54

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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.