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Finding the Fourth Proportional to 149,909.60, 224,929.20 and 70,983.20

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Solution

The fourth proportional to 149,909.60, 224,929.20 and 70,983.20 is: 106,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,909.60 : 224,929.20 = 70,983.20 : x
  2. Step 2: Convert to fraction form
    149,909.60/224,929.20 = 70,983.20/x
  3. Step 3: Cross multiply
    149,909.60x = 224,929.20 × 70,983.20
  4. Step 4: Simplify right side
    149,909.60x = 15,966,194,389.44
  5. Step 5: Solve for x
    x = 15,966,194,389.44/149,909.60
  6. Step 6: Final answer
    x = 106,505.48

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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.