Home / 89,251.44-133,666.08-77,500.80

Finding the Fourth Proportional to 89,251.44, 133,666.08 and 77,500.80

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Solution

The fourth proportional to 89,251.44, 133,666.08 and 77,500.80 is: 116,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,251.44 : 133,666.08 = 77,500.80 : x
  2. Step 2: Convert to fraction form
    89,251.44/133,666.08 = 77,500.80/x
  3. Step 3: Cross multiply
    89,251.44x = 133,666.08 × 77,500.80
  4. Step 4: Simplify right side
    89,251.44x = 10,359,228,132.86
  5. Step 5: Solve for x
    x = 10,359,228,132.86/89,251.44
  6. Step 6: Final answer
    x = 116,067.91

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1.5x scale

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.