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Finding the Fourth Proportional to 110,560.52, 152,578.88 and 62,177.68

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Solution

The fourth proportional to 110,560.52, 152,578.88 and 62,177.68 is: 85,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,560.52 : 152,578.88 = 62,177.68 : x
  2. Step 2: Convert to fraction form
    110,560.52/152,578.88 = 62,177.68/x
  3. Step 3: Cross multiply
    110,560.52x = 152,578.88 × 62,177.68
  4. Step 4: Simplify right side
    110,560.52x = 9,487,000,775.40
  5. Step 5: Solve for x
    x = 9,487,000,775.40/110,560.52
  6. Step 6: Final answer
    x = 85,808.21

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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.