Home / 137,257.07-204,972.19-135,772.64

Finding the Fourth Proportional to 137,257.07, 204,972.19 and 135,772.64

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Solution

The fourth proportional to 137,257.07, 204,972.19 and 135,772.64 is: 202,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,257.07 : 204,972.19 = 135,772.64 : x
  2. Step 2: Convert to fraction form
    137,257.07/204,972.19 = 135,772.64/x
  3. Step 3: Cross multiply
    137,257.07x = 204,972.19 × 135,772.64
  4. Step 4: Simplify right side
    137,257.07x = 27,829,614,767.23
  5. Step 5: Solve for x
    x = 27,829,614,767.23/137,257.07
  6. Step 6: Final answer
    x = 202,755.43

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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.