Home / 89,177.85-133,810.35-39,251.70

Finding the Fourth Proportional to 89,177.85, 133,810.35 and 39,251.70

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Solution

The fourth proportional to 89,177.85, 133,810.35 and 39,251.70 is: 58,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,177.85 : 133,810.35 = 39,251.70 : x
  2. Step 2: Convert to fraction form
    89,177.85/133,810.35 = 39,251.70/x
  3. Step 3: Cross multiply
    89,177.85x = 133,810.35 × 39,251.70
  4. Step 4: Simplify right side
    89,177.85x = 5,252,283,715.10
  5. Step 5: Solve for x
    x = 5,252,283,715.10/89,177.85
  6. Step 6: Final answer
    x = 58,896.73

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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.