Home / 118,044.38-177,118.92-61,871.15

Finding the Fourth Proportional to 118,044.38, 177,118.92 and 61,871.15

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Solution

The fourth proportional to 118,044.38, 177,118.92 and 61,871.15 is: 92,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,044.38 : 177,118.92 = 61,871.15 : x
  2. Step 2: Convert to fraction form
    118,044.38/177,118.92 = 61,871.15/x
  3. Step 3: Cross multiply
    118,044.38x = 177,118.92 × 61,871.15
  4. Step 4: Simplify right side
    118,044.38x = 10,958,551,709.96
  5. Step 5: Solve for x
    x = 10,958,551,709.96/118,044.38
  6. Step 6: Final answer
    x = 92,834.17

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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.