Home / 91,709.45-137,553.42-25,156.31

Finding the Fourth Proportional to 91,709.45, 137,553.42 and 25,156.31

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Solution

The fourth proportional to 91,709.45, 137,553.42 and 25,156.31 is: 37,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,709.45 : 137,553.42 = 25,156.31 : x
  2. Step 2: Convert to fraction form
    91,709.45/137,553.42 = 25,156.31/x
  3. Step 3: Cross multiply
    91,709.45x = 137,553.42 × 25,156.31
  4. Step 4: Simplify right side
    91,709.45x = 3,460,336,249.70
  5. Step 5: Solve for x
    x = 3,460,336,249.70/91,709.45
  6. Step 6: Final answer
    x = 37,731.51

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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.