Home / 194,381.90-268,337.07-137,067.92

Finding the Fourth Proportional to 194,381.90, 268,337.07 and 137,067.92

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Solution

The fourth proportional to 194,381.90, 268,337.07 and 137,067.92 is: 189,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,381.90 : 268,337.07 = 137,067.92 : x
  2. Step 2: Convert to fraction form
    194,381.90/268,337.07 = 137,067.92/x
  3. Step 3: Cross multiply
    194,381.90x = 268,337.07 × 137,067.92
  4. Step 4: Simplify right side
    194,381.90x = 36,780,402,702.11
  5. Step 5: Solve for x
    x = 36,780,402,702.11/194,381.90
  6. Step 6: Final answer
    x = 189,217.22

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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.