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Finding the Fourth Proportional to 185,088.97, 277,747.68 and 72,749.47

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Solution

The fourth proportional to 185,088.97, 277,747.68 and 72,749.47 is: 109,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,088.97 : 277,747.68 = 72,749.47 : x
  2. Step 2: Convert to fraction form
    185,088.97/277,747.68 = 72,749.47/x
  3. Step 3: Cross multiply
    185,088.97x = 277,747.68 × 72,749.47
  4. Step 4: Simplify right side
    185,088.97x = 20,205,996,513.73
  5. Step 5: Solve for x
    x = 20,205,996,513.73/185,088.97
  6. Step 6: Final answer
    x = 109,169.10

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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.