Home / 145,264.91-200,446.92-84,791.79

Finding the Fourth Proportional to 145,264.91, 200,446.92 and 84,791.79

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Solution

The fourth proportional to 145,264.91, 200,446.92 and 84,791.79 is: 117,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,264.91 : 200,446.92 = 84,791.79 : x
  2. Step 2: Convert to fraction form
    145,264.91/200,446.92 = 84,791.79/x
  3. Step 3: Cross multiply
    145,264.91x = 200,446.92 × 84,791.79
  4. Step 4: Simplify right side
    145,264.91x = 16,996,253,146.79
  5. Step 5: Solve for x
    x = 16,996,253,146.79/145,264.91
  6. Step 6: Final answer
    x = 117,001.78

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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.