Home / 124,972.80-172,460.16-68,383.04

Finding the Fourth Proportional to 124,972.80, 172,460.16 and 68,383.04

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Solution

The fourth proportional to 124,972.80, 172,460.16 and 68,383.04 is: 94,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,972.80 : 172,460.16 = 68,383.04 : x
  2. Step 2: Convert to fraction form
    124,972.80/172,460.16 = 68,383.04/x
  3. Step 3: Cross multiply
    124,972.80x = 172,460.16 × 68,383.04
  4. Step 4: Simplify right side
    124,972.80x = 11,793,350,019.69
  5. Step 5: Solve for x
    x = 11,793,350,019.69/124,972.80
  6. Step 6: Final answer
    x = 94,367.33

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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.