Home / 131,874.20-181,986.14-71,446.35

Finding the Fourth Proportional to 131,874.20, 181,986.14 and 71,446.35

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Solution

The fourth proportional to 131,874.20, 181,986.14 and 71,446.35 is: 98,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,874.20 : 181,986.14 = 71,446.35 : x
  2. Step 2: Convert to fraction form
    131,874.20/181,986.14 = 71,446.35/x
  3. Step 3: Cross multiply
    131,874.20x = 181,986.14 × 71,446.35
  4. Step 4: Simplify right side
    131,874.20x = 13,002,246,314.65
  5. Step 5: Solve for x
    x = 13,002,246,314.65/131,874.20
  6. Step 6: Final answer
    x = 98,595.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.