Home / 243,514.60-336,049.16-136,084.61

Finding the Fourth Proportional to 243,514.60, 336,049.16 and 136,084.61

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Solution

The fourth proportional to 243,514.60, 336,049.16 and 136,084.61 is: 187,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,514.60 : 336,049.16 = 136,084.61 : x
  2. Step 2: Convert to fraction form
    243,514.60/336,049.16 = 136,084.61/x
  3. Step 3: Cross multiply
    243,514.60x = 336,049.16 × 136,084.61
  4. Step 4: Simplify right side
    243,514.60x = 45,731,117,148.85
  5. Step 5: Solve for x
    x = 45,731,117,148.85/243,514.60
  6. Step 6: Final answer
    x = 187,796.20

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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.