Home / 261,714.11-392,276.88-133,269.98

Finding the Fourth Proportional to 261,714.11, 392,276.88 and 133,269.98

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Solution

The fourth proportional to 261,714.11, 392,276.88 and 133,269.98 is: 199,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,714.11 : 392,276.88 = 133,269.98 : x
  2. Step 2: Convert to fraction form
    261,714.11/392,276.88 = 133,269.98/x
  3. Step 3: Cross multiply
    261,714.11x = 392,276.88 × 133,269.98
  4. Step 4: Simplify right side
    261,714.11x = 52,278,729,990.68
  5. Step 5: Solve for x
    x = 52,278,729,990.68/261,714.11
  6. Step 6: Final answer
    x = 199,755.11

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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.