Home / 266,218.89-399,095.04-100,123.53

Finding the Fourth Proportional to 266,218.89, 399,095.04 and 100,123.53

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Solution

The fourth proportional to 266,218.89, 399,095.04 and 100,123.53 is: 150,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,218.89 : 399,095.04 = 100,123.53 : x
  2. Step 2: Convert to fraction form
    266,218.89/399,095.04 = 100,123.53/x
  3. Step 3: Cross multiply
    266,218.89x = 399,095.04 × 100,123.53
  4. Step 4: Simplify right side
    266,218.89x = 39,958,804,210.29
  5. Step 5: Solve for x
    x = 39,958,804,210.29/266,218.89
  6. Step 6: Final answer
    x = 150,097.55

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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.