Home / 137,384.29-207,169.54-135,510.76

Finding the Fourth Proportional to 137,384.29, 207,169.54 and 135,510.76

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Solution

The fourth proportional to 137,384.29, 207,169.54 and 135,510.76 is: 204,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,384.29 : 207,169.54 = 135,510.76 : x
  2. Step 2: Convert to fraction form
    137,384.29/207,169.54 = 135,510.76/x
  3. Step 3: Cross multiply
    137,384.29x = 207,169.54 × 135,510.76
  4. Step 4: Simplify right side
    137,384.29x = 28,073,701,814.25
  5. Step 5: Solve for x
    x = 28,073,701,814.25/137,384.29
  6. Step 6: Final answer
    x = 204,344.34

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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.