Home / 131,371.26-197,056.79-42,624.76

Finding the Fourth Proportional to 131,371.26, 197,056.79 and 42,624.76

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Solution

The fourth proportional to 131,371.26, 197,056.79 and 42,624.76 is: 63,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,371.26 : 197,056.79 = 42,624.76 : x
  2. Step 2: Convert to fraction form
    131,371.26/197,056.79 = 42,624.76/x
  3. Step 3: Cross multiply
    131,371.26x = 197,056.79 × 42,624.76
  4. Step 4: Simplify right side
    131,371.26x = 8,399,498,380.12
  5. Step 5: Solve for x
    x = 8,399,498,380.12/131,371.26
  6. Step 6: Final answer
    x = 63,937.11

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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.