Home / 266,475.60-399,791.26-89,107.13

Finding the Fourth Proportional to 266,475.60, 399,791.26 and 89,107.13

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Solution

The fourth proportional to 266,475.60, 399,791.26 and 89,107.13 is: 133,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,475.60 : 399,791.26 = 89,107.13 : x
  2. Step 2: Convert to fraction form
    266,475.60/399,791.26 = 89,107.13/x
  3. Step 3: Cross multiply
    266,475.60x = 399,791.26 × 89,107.13
  4. Step 4: Simplify right side
    266,475.60x = 35,624,251,777.68
  5. Step 5: Solve for x
    x = 35,624,251,777.68/266,475.60
  6. Step 6: Final answer
    x = 133,686.73

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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.