Home / 131,444.92-197,269.62-91,744.12

Finding the Fourth Proportional to 131,444.92, 197,269.62 and 91,744.12

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Solution

The fourth proportional to 131,444.92, 197,269.62 and 91,744.12 is: 137,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,444.92 : 197,269.62 = 91,744.12 : x
  2. Step 2: Convert to fraction form
    131,444.92/197,269.62 = 91,744.12/x
  3. Step 3: Cross multiply
    131,444.92x = 197,269.62 × 91,744.12
  4. Step 4: Simplify right side
    131,444.92x = 18,098,327,689.63
  5. Step 5: Solve for x
    x = 18,098,327,689.63/131,444.92
  6. Step 6: Final answer
    x = 137,687.54

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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.