Home / 266,566.03-399,869.71-89,073.68

Finding the Fourth Proportional to 266,566.03, 399,869.71 and 89,073.68

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Solution

The fourth proportional to 266,566.03, 399,869.71 and 89,073.68 is: 133,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,566.03 : 399,869.71 = 89,073.68 : x
  2. Step 2: Convert to fraction form
    266,566.03/399,869.71 = 89,073.68/x
  3. Step 3: Cross multiply
    266,566.03x = 399,869.71 × 89,073.68
  4. Step 4: Simplify right side
    266,566.03x = 35,617,864,368.20
  5. Step 5: Solve for x
    x = 35,617,864,368.20/266,566.03
  6. Step 6: Final answer
    x = 133,617.42

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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.