Home / 131,962.96-197,947.68-113,125.60

Finding the Fourth Proportional to 131,962.96, 197,947.68 and 113,125.60

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Solution

The fourth proportional to 131,962.96, 197,947.68 and 113,125.60 is: 169,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,962.96 : 197,947.68 = 113,125.60 : x
  2. Step 2: Convert to fraction form
    131,962.96/197,947.68 = 113,125.60/x
  3. Step 3: Cross multiply
    131,962.96x = 197,947.68 × 113,125.60
  4. Step 4: Simplify right side
    131,962.96x = 22,392,950,068.61
  5. Step 5: Solve for x
    x = 22,392,950,068.61/131,962.96
  6. Step 6: Final answer
    x = 169,691.18

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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.