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Finding the Fourth Proportional to 95,706.04, 143,207.96 and 79,871.96

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Solution

The fourth proportional to 95,706.04, 143,207.96 and 79,871.96 is: 119,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,706.04 : 143,207.96 = 79,871.96 : x
  2. Step 2: Convert to fraction form
    95,706.04/143,207.96 = 79,871.96/x
  3. Step 3: Cross multiply
    95,706.04x = 143,207.96 × 79,871.96
  4. Step 4: Simplify right side
    95,706.04x = 11,438,300,452.80
  5. Step 5: Solve for x
    x = 11,438,300,452.80/95,706.04
  6. Step 6: Final answer
    x = 119,514.93

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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.