Home / 119,691.72-165,183.03-68,712.75

Finding the Fourth Proportional to 119,691.72, 165,183.03 and 68,712.75

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Solution

The fourth proportional to 119,691.72, 165,183.03 and 68,712.75 is: 94,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,691.72 : 165,183.03 = 68,712.75 : x
  2. Step 2: Convert to fraction form
    119,691.72/165,183.03 = 68,712.75/x
  3. Step 3: Cross multiply
    119,691.72x = 165,183.03 × 68,712.75
  4. Step 4: Simplify right side
    119,691.72x = 11,350,180,244.63
  5. Step 5: Solve for x
    x = 11,350,180,244.63/119,691.72
  6. Step 6: Final answer
    x = 94,828.45

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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.