Home / 172,350.90-258,641.16-83,610.93

Finding the Fourth Proportional to 172,350.90, 258,641.16 and 83,610.93

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Solution

The fourth proportional to 172,350.90, 258,641.16 and 83,610.93 is: 125,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,350.90 : 258,641.16 = 83,610.93 : x
  2. Step 2: Convert to fraction form
    172,350.90/258,641.16 = 83,610.93/x
  3. Step 3: Cross multiply
    172,350.90x = 258,641.16 × 83,610.93
  4. Step 4: Simplify right side
    172,350.90x = 21,625,227,923.88
  5. Step 5: Solve for x
    x = 21,625,227,923.88/172,350.90
  6. Step 6: Final answer
    x = 125,472.09

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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.