Home / 91,121.26-136,666.31-24,545.82

Finding the Fourth Proportional to 91,121.26, 136,666.31 and 24,545.82

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Solution

The fourth proportional to 91,121.26, 136,666.31 and 24,545.82 is: 36,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,121.26 : 136,666.31 = 24,545.82 : x
  2. Step 2: Convert to fraction form
    91,121.26/136,666.31 = 24,545.82/x
  3. Step 3: Cross multiply
    91,121.26x = 136,666.31 × 24,545.82
  4. Step 4: Simplify right side
    91,121.26x = 3,354,586,645.32
  5. Step 5: Solve for x
    x = 3,354,586,645.32/91,121.26
  6. Step 6: Final answer
    x = 36,814.53

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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.