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Finding the Fourth Proportional to 88,918.16, 133,229.16 and 62,567.54

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Solution

The fourth proportional to 88,918.16, 133,229.16 and 62,567.54 is: 93,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,918.16 : 133,229.16 = 62,567.54 : x
  2. Step 2: Convert to fraction form
    88,918.16/133,229.16 = 62,567.54/x
  3. Step 3: Cross multiply
    88,918.16x = 133,229.16 × 62,567.54
  4. Step 4: Simplify right side
    88,918.16x = 8,335,820,797.47
  5. Step 5: Solve for x
    x = 8,335,820,797.47/88,918.16
  6. Step 6: Final answer
    x = 93,747.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.