Home / 136,242.91-204,397.22-42,748.66

Finding the Fourth Proportional to 136,242.91, 204,397.22 and 42,748.66

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Solution

The fourth proportional to 136,242.91, 204,397.22 and 42,748.66 is: 64,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,242.91 : 204,397.22 = 42,748.66 : x
  2. Step 2: Convert to fraction form
    136,242.91/204,397.22 = 42,748.66/x
  3. Step 3: Cross multiply
    136,242.91x = 204,397.22 × 42,748.66
  4. Step 4: Simplify right side
    136,242.91x = 8,737,707,625.09
  5. Step 5: Solve for x
    x = 8,737,707,625.09/136,242.91
  6. Step 6: Final answer
    x = 64,133.30

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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.