Home / 103,425.56-155,148.42-40,250.82

Finding the Fourth Proportional to 103,425.56, 155,148.42 and 40,250.82

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Solution

The fourth proportional to 103,425.56, 155,148.42 and 40,250.82 is: 60,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,425.56 : 155,148.42 = 40,250.82 : x
  2. Step 2: Convert to fraction form
    103,425.56/155,148.42 = 40,250.82/x
  3. Step 3: Cross multiply
    103,425.56x = 155,148.42 × 40,250.82
  4. Step 4: Simplify right side
    103,425.56x = 6,244,851,126.70
  5. Step 5: Solve for x
    x = 6,244,851,126.70/103,425.56
  6. Step 6: Final answer
    x = 60,380.16

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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.