Home / 91,543.48-137,227.38-29,173.24

Finding the Fourth Proportional to 91,543.48, 137,227.38 and 29,173.24

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Solution

The fourth proportional to 91,543.48, 137,227.38 and 29,173.24 is: 43,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,543.48 : 137,227.38 = 29,173.24 : x
  2. Step 2: Convert to fraction form
    91,543.48/137,227.38 = 29,173.24/x
  3. Step 3: Cross multiply
    91,543.48x = 137,227.38 × 29,173.24
  4. Step 4: Simplify right side
    91,543.48x = 4,003,367,291.31
  5. Step 5: Solve for x
    x = 4,003,367,291.31/91,543.48
  6. Step 6: Final answer
    x = 43,731.87

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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.