Home / 91,425.39-137,138.09-38,797.97

Finding the Fourth Proportional to 91,425.39, 137,138.09 and 38,797.97

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Solution

The fourth proportional to 91,425.39, 137,138.09 and 38,797.97 is: 58,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,425.39 : 137,138.09 = 38,797.97 : x
  2. Step 2: Convert to fraction form
    91,425.39/137,138.09 = 38,797.97/x
  3. Step 3: Cross multiply
    91,425.39x = 137,138.09 × 38,797.97
  4. Step 4: Simplify right side
    91,425.39x = 5,320,678,622.00
  5. Step 5: Solve for x
    x = 5,320,678,622.00/91,425.39
  6. Step 6: Final answer
    x = 58,196.95

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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.