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Finding the Fourth Proportional to 143,996.67, 215,998.11 and 44,154.65

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Solution

The fourth proportional to 143,996.67, 215,998.11 and 44,154.65 is: 66,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,996.67 : 215,998.11 = 44,154.65 : x
  2. Step 2: Convert to fraction form
    143,996.67/215,998.11 = 44,154.65/x
  3. Step 3: Cross multiply
    143,996.67x = 215,998.11 × 44,154.65
  4. Step 4: Simplify right side
    143,996.67x = 9,537,321,487.71
  5. Step 5: Solve for x
    x = 9,537,321,487.71/143,996.67
  6. Step 6: Final answer
    x = 66,232.93

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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.