Home / 103,747.26-155,660.10-40,612.50

Finding the Fourth Proportional to 103,747.26, 155,660.10 and 40,612.50

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Solution

The fourth proportional to 103,747.26, 155,660.10 and 40,612.50 is: 60,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,747.26 : 155,660.10 = 40,612.50 : x
  2. Step 2: Convert to fraction form
    103,747.26/155,660.10 = 40,612.50/x
  3. Step 3: Cross multiply
    103,747.26x = 155,660.10 × 40,612.50
  4. Step 4: Simplify right side
    103,747.26x = 6,321,745,811.25
  5. Step 5: Solve for x
    x = 6,321,745,811.25/103,747.26
  6. Step 6: Final answer
    x = 60,934.10

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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.