Home / 172,731.26-258,900.33-105,114.17

Finding the Fourth Proportional to 172,731.26, 258,900.33 and 105,114.17

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Solution

The fourth proportional to 172,731.26, 258,900.33 and 105,114.17 is: 157,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,731.26 : 258,900.33 = 105,114.17 : x
  2. Step 2: Convert to fraction form
    172,731.26/258,900.33 = 105,114.17/x
  3. Step 3: Cross multiply
    172,731.26x = 258,900.33 × 105,114.17
  4. Step 4: Simplify right side
    172,731.26x = 27,214,092,006.17
  5. Step 5: Solve for x
    x = 27,214,092,006.17/172,731.26
  6. Step 6: Final answer
    x = 157,551.64

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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.