Home / 91,453.44-137,204.81-38,127.70

Finding the Fourth Proportional to 91,453.44, 137,204.81 and 38,127.70

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Solution

The fourth proportional to 91,453.44, 137,204.81 and 38,127.70 is: 57,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453.44 : 137,204.81 = 38,127.70 : x
  2. Step 2: Convert to fraction form
    91,453.44/137,204.81 = 38,127.70/x
  3. Step 3: Cross multiply
    91,453.44x = 137,204.81 × 38,127.70
  4. Step 4: Simplify right side
    91,453.44x = 5,231,302,957.57
  5. Step 5: Solve for x
    x = 5,231,302,957.57/91,453.44
  6. Step 6: Final answer
    x = 57,201.82

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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.