Home / 137,932.13-205,691.15-136,670.94

Finding the Fourth Proportional to 137,932.13, 205,691.15 and 136,670.94

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Solution

The fourth proportional to 137,932.13, 205,691.15 and 136,670.94 is: 203,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,932.13 : 205,691.15 = 136,670.94 : x
  2. Step 2: Convert to fraction form
    137,932.13/205,691.15 = 136,670.94/x
  3. Step 3: Cross multiply
    137,932.13x = 205,691.15 × 136,670.94
  4. Step 4: Simplify right side
    137,932.13x = 28,112,002,136.83
  5. Step 5: Solve for x
    x = 28,112,002,136.83/137,932.13
  6. Step 6: Final answer
    x = 203,810.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.