Home / 266,604.48-399,906-89,111.52

Finding the Fourth Proportional to 266,604.48, 399,906 and 89,111.52

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Solution

The fourth proportional to 266,604.48, 399,906 and 89,111.52 is: 133,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,604.48 : 399,906 = 89,111.52 : x
  2. Step 2: Convert to fraction form
    266,604.48/399,906 = 89,111.52/x
  3. Step 3: Cross multiply
    266,604.48x = 399,906 × 89,111.52
  4. Step 4: Simplify right side
    266,604.48x = 35,636,231,517.12
  5. Step 5: Solve for x
    x = 35,636,231,517.12/266,604.48
  6. Step 6: Final answer
    x = 133,667.04

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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.