Home / 124,982.64-172,476.03-68,394

Finding the Fourth Proportional to 124,982.64, 172,476.03 and 68,394

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Solution

The fourth proportional to 124,982.64, 172,476.03 and 68,394 is: 94,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982.64 : 172,476.03 = 68,394 : x
  2. Step 2: Convert to fraction form
    124,982.64/172,476.03 = 68,394/x
  3. Step 3: Cross multiply
    124,982.64x = 172,476.03 × 68,394
  4. Step 4: Simplify right side
    124,982.64x = 11,796,325,595.82
  5. Step 5: Solve for x
    x = 11,796,325,595.82/124,982.64
  6. Step 6: Final answer
    x = 94,383.71

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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.