Home / 91,451.06-137,201.24-38,125.32

Finding the Fourth Proportional to 91,451.06, 137,201.24 and 38,125.32

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Solution

The fourth proportional to 91,451.06, 137,201.24 and 38,125.32 is: 57,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,451.06 : 137,201.24 = 38,125.32 : x
  2. Step 2: Convert to fraction form
    91,451.06/137,201.24 = 38,125.32/x
  3. Step 3: Cross multiply
    91,451.06x = 137,201.24 × 38,125.32
  4. Step 4: Simplify right side
    91,451.06x = 5,230,840,760.21
  5. Step 5: Solve for x
    x = 5,230,840,760.21/91,451.06
  6. Step 6: Final answer
    x = 57,198.25

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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.