Home / 103,747.25-155,660.10-40,612.49

Finding the Fourth Proportional to 103,747.25, 155,660.10 and 40,612.49

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Solution

The fourth proportional to 103,747.25, 155,660.10 and 40,612.49 is: 60,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,747.25 : 155,660.10 = 40,612.49 : x
  2. Step 2: Convert to fraction form
    103,747.25/155,660.10 = 40,612.49/x
  3. Step 3: Cross multiply
    103,747.25x = 155,660.10 × 40,612.49
  4. Step 4: Simplify right side
    103,747.25x = 6,321,744,254.65
  5. Step 5: Solve for x
    x = 6,321,744,254.65/103,747.25
  6. Step 6: Final answer
    x = 60,934.09

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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.