Home / 120,502.92-166,293.90-66,788.04

Finding the Fourth Proportional to 120,502.92, 166,293.90 and 66,788.04

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Solution

The fourth proportional to 120,502.92, 166,293.90 and 66,788.04 is: 92,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,502.92 : 166,293.90 = 66,788.04 : x
  2. Step 2: Convert to fraction form
    120,502.92/166,293.90 = 66,788.04/x
  3. Step 3: Cross multiply
    120,502.92x = 166,293.90 × 66,788.04
  4. Step 4: Simplify right side
    120,502.92x = 11,106,443,644.96
  5. Step 5: Solve for x
    x = 11,106,443,644.96/120,502.92
  6. Step 6: Final answer
    x = 92,167.42

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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.