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Finding the Fourth Proportional to 99,124.39, 148,702.14 and 32,549.38

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Solution

The fourth proportional to 99,124.39, 148,702.14 and 32,549.38 is: 48,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.39 : 148,702.14 = 32,549.38 : x
  2. Step 2: Convert to fraction form
    99,124.39/148,702.14 = 32,549.38/x
  3. Step 3: Cross multiply
    99,124.39x = 148,702.14 × 32,549.38
  4. Step 4: Simplify right side
    99,124.39x = 4,840,162,461.67
  5. Step 5: Solve for x
    x = 4,840,162,461.67/99,124.39
  6. Step 6: Final answer
    x = 48,829.18

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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.