Home / 124,972.56-172,466.40-68,383.92

Finding the Fourth Proportional to 124,972.56, 172,466.40 and 68,383.92

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Solution

The fourth proportional to 124,972.56, 172,466.40 and 68,383.92 is: 94,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,972.56 : 172,466.40 = 68,383.92 : x
  2. Step 2: Convert to fraction form
    124,972.56/172,466.40 = 68,383.92/x
  3. Step 3: Cross multiply
    124,972.56x = 172,466.40 × 68,383.92
  4. Step 4: Simplify right side
    124,972.56x = 11,793,928,500.29
  5. Step 5: Solve for x
    x = 11,793,928,500.29/124,972.56
  6. Step 6: Final answer
    x = 94,372.14

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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.