Home / 91,789.90-137,688.24-25,235.23

Finding the Fourth Proportional to 91,789.90, 137,688.24 and 25,235.23

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Solution

The fourth proportional to 91,789.90, 137,688.24 and 25,235.23 is: 37,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,789.90 : 137,688.24 = 25,235.23 : x
  2. Step 2: Convert to fraction form
    91,789.90/137,688.24 = 25,235.23/x
  3. Step 3: Cross multiply
    91,789.90x = 137,688.24 × 25,235.23
  4. Step 4: Simplify right side
    91,789.90x = 3,474,594,404.70
  5. Step 5: Solve for x
    x = 3,474,594,404.70/91,789.90
  6. Step 6: Final answer
    x = 37,853.78

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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.