Home / 87,440.80-131,299.44-69,054.88

Finding the Fourth Proportional to 87,440.80, 131,299.44 and 69,054.88

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Solution

The fourth proportional to 87,440.80, 131,299.44 and 69,054.88 is: 103,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440.80 : 131,299.44 = 69,054.88 : x
  2. Step 2: Convert to fraction form
    87,440.80/131,299.44 = 69,054.88/x
  3. Step 3: Cross multiply
    87,440.80x = 131,299.44 × 69,054.88
  4. Step 4: Simplify right side
    87,440.80x = 9,066,867,073.27
  5. Step 5: Solve for x
    x = 9,066,867,073.27/87,440.80
  6. Step 6: Final answer
    x = 103,691.49

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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.