Home / 211,766.17-292,374.08-131,279.71

Finding the Fourth Proportional to 211,766.17, 292,374.08 and 131,279.71

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Solution

The fourth proportional to 211,766.17, 292,374.08 and 131,279.71 is: 181,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,766.17 : 292,374.08 = 131,279.71 : x
  2. Step 2: Convert to fraction form
    211,766.17/292,374.08 = 131,279.71/x
  3. Step 3: Cross multiply
    211,766.17x = 292,374.08 × 131,279.71
  4. Step 4: Simplify right side
    211,766.17x = 38,382,784,433.92
  5. Step 5: Solve for x
    x = 38,382,784,433.92/211,766.17
  6. Step 6: Final answer
    x = 181,250.78

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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.