Home / 131,155.20-196,635.60-88,929.90

Finding the Fourth Proportional to 131,155.20, 196,635.60 and 88,929.90

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Solution

The fourth proportional to 131,155.20, 196,635.60 and 88,929.90 is: 133,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,155.20 : 196,635.60 = 88,929.90 : x
  2. Step 2: Convert to fraction form
    131,155.20/196,635.60 = 88,929.90/x
  3. Step 3: Cross multiply
    131,155.20x = 196,635.60 × 88,929.90
  4. Step 4: Simplify right side
    131,155.20x = 17,486,784,244.44
  5. Step 5: Solve for x
    x = 17,486,784,244.44/131,155.20
  6. Step 6: Final answer
    x = 133,328.94

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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.