Home / 120,418.92-166,171.50-66,702.96

Finding the Fourth Proportional to 120,418.92, 166,171.50 and 66,702.96

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Solution

The fourth proportional to 120,418.92, 166,171.50 and 66,702.96 is: 92,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,418.92 : 166,171.50 = 66,702.96 : x
  2. Step 2: Convert to fraction form
    120,418.92/166,171.50 = 66,702.96/x
  3. Step 3: Cross multiply
    120,418.92x = 166,171.50 × 66,702.96
  4. Step 4: Simplify right side
    120,418.92x = 11,084,130,917.64
  5. Step 5: Solve for x
    x = 11,084,130,917.64/120,418.92
  6. Step 6: Final answer
    x = 92,046.42

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1.5x scale

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.