Home / 131,581.94-197,385.35-36,812.12

Finding the Fourth Proportional to 131,581.94, 197,385.35 and 36,812.12

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Solution

The fourth proportional to 131,581.94, 197,385.35 and 36,812.12 is: 55,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,581.94 : 197,385.35 = 36,812.12 : x
  2. Step 2: Convert to fraction form
    131,581.94/197,385.35 = 36,812.12/x
  3. Step 3: Cross multiply
    131,581.94x = 197,385.35 × 36,812.12
  4. Step 4: Simplify right side
    131,581.94x = 7,266,172,019.45
  5. Step 5: Solve for x
    x = 7,266,172,019.45/131,581.94
  6. Step 6: Final answer
    x = 55,221.65

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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.