Home / 157,561.43-236,306.09-45,240.75

Finding the Fourth Proportional to 157,561.43, 236,306.09 and 45,240.75

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Solution

The fourth proportional to 157,561.43, 236,306.09 and 45,240.75 is: 67,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,561.43 : 236,306.09 = 45,240.75 : x
  2. Step 2: Convert to fraction form
    157,561.43/236,306.09 = 45,240.75/x
  3. Step 3: Cross multiply
    157,561.43x = 236,306.09 × 45,240.75
  4. Step 4: Simplify right side
    157,561.43x = 10,690,664,854.27
  5. Step 5: Solve for x
    x = 10,690,664,854.27/157,561.43
  6. Step 6: Final answer
    x = 67,850.78

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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.