Home / 172,034.40-258,055.92-83,271.36

Finding the Fourth Proportional to 172,034.40, 258,055.92 and 83,271.36

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Solution

The fourth proportional to 172,034.40, 258,055.92 and 83,271.36 is: 124,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,034.40 : 258,055.92 = 83,271.36 : x
  2. Step 2: Convert to fraction form
    172,034.40/258,055.92 = 83,271.36/x
  3. Step 3: Cross multiply
    172,034.40x = 258,055.92 × 83,271.36
  4. Step 4: Simplify right side
    172,034.40x = 21,488,667,414.45
  5. Step 5: Solve for x
    x = 21,488,667,414.45/172,034.40
  6. Step 6: Final answer
    x = 124,909.13

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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.