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Finding the Fourth Proportional to 172,175.13, 258,277.56 and 47,516.13

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Solution

The fourth proportional to 172,175.13, 258,277.56 and 47,516.13 is: 71,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,175.13 : 258,277.56 = 47,516.13 : x
  2. Step 2: Convert to fraction form
    172,175.13/258,277.56 = 47,516.13/x
  3. Step 3: Cross multiply
    172,175.13x = 258,277.56 × 47,516.13
  4. Step 4: Simplify right side
    172,175.13x = 12,272,350,117.04
  5. Step 5: Solve for x
    x = 12,272,350,117.04/172,175.13
  6. Step 6: Final answer
    x = 71,278.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.