Home / 124,974.80-172,462.92-68,385.04

Finding the Fourth Proportional to 124,974.80, 172,462.92 and 68,385.04

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Solution

The fourth proportional to 124,974.80, 172,462.92 and 68,385.04 is: 94,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.80 : 172,462.92 = 68,385.04 : x
  2. Step 2: Convert to fraction form
    124,974.80/172,462.92 = 68,385.04/x
  3. Step 3: Cross multiply
    124,974.80x = 172,462.92 × 68,385.04
  4. Step 4: Simplify right side
    124,974.80x = 11,793,883,682.72
  5. Step 5: Solve for x
    x = 11,793,883,682.72/124,974.80
  6. Step 6: Final answer
    x = 94,370.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.