Home / 204,717.11-307,013.71-71,572.55

Finding the Fourth Proportional to 204,717.11, 307,013.71 and 71,572.55

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Solution

The fourth proportional to 204,717.11, 307,013.71 and 71,572.55 is: 107,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,717.11 : 307,013.71 = 71,572.55 : x
  2. Step 2: Convert to fraction form
    204,717.11/307,013.71 = 71,572.55/x
  3. Step 3: Cross multiply
    204,717.11x = 307,013.71 × 71,572.55
  4. Step 4: Simplify right side
    204,717.11x = 21,973,754,818.34
  5. Step 5: Solve for x
    x = 21,973,754,818.34/204,717.11
  6. Step 6: Final answer
    x = 107,337.17

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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.