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Finding the Fourth Proportional to 100,237.53, 138,324.51 and 59,930.52

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Solution

The fourth proportional to 100,237.53, 138,324.51 and 59,930.52 is: 82,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,237.53 : 138,324.51 = 59,930.52 : x
  2. Step 2: Convert to fraction form
    100,237.53/138,324.51 = 59,930.52/x
  3. Step 3: Cross multiply
    100,237.53x = 138,324.51 × 59,930.52
  4. Step 4: Simplify right side
    100,237.53x = 8,289,859,294.33
  5. Step 5: Solve for x
    x = 8,289,859,294.33/100,237.53
  6. Step 6: Final answer
    x = 82,702.15

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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.