Home / 266,723.79-400,002.62-89,189.27

Finding the Fourth Proportional to 266,723.79, 400,002.62 and 89,189.27

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Solution

The fourth proportional to 266,723.79, 400,002.62 and 89,189.27 is: 133,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,723.79 : 400,002.62 = 89,189.27 : x
  2. Step 2: Convert to fraction form
    266,723.79/400,002.62 = 89,189.27/x
  3. Step 3: Cross multiply
    266,723.79x = 400,002.62 × 89,189.27
  4. Step 4: Simplify right side
    266,723.79x = 35,675,939,229.93
  5. Step 5: Solve for x
    x = 35,675,939,229.93/266,723.79
  6. Step 6: Final answer
    x = 133,756.12

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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.