Home / 137,383.29-207,168.03-135,509.76

Finding the Fourth Proportional to 137,383.29, 207,168.03 and 135,509.76

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Solution

The fourth proportional to 137,383.29, 207,168.03 and 135,509.76 is: 204,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,383.29 : 207,168.03 = 135,509.76 : x
  2. Step 2: Convert to fraction form
    137,383.29/207,168.03 = 135,509.76/x
  3. Step 3: Cross multiply
    137,383.29x = 207,168.03 × 135,509.76
  4. Step 4: Simplify right side
    137,383.29x = 28,073,290,024.97
  5. Step 5: Solve for x
    x = 28,073,290,024.97/137,383.29
  6. Step 6: Final answer
    x = 204,342.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.