Home / 120,311.24-166,046.98-69,314.04

Finding the Fourth Proportional to 120,311.24, 166,046.98 and 69,314.04

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Solution

The fourth proportional to 120,311.24, 166,046.98 and 69,314.04 is: 95,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,311.24 : 166,046.98 = 69,314.04 : x
  2. Step 2: Convert to fraction form
    120,311.24/166,046.98 = 69,314.04/x
  3. Step 3: Cross multiply
    120,311.24x = 166,046.98 × 69,314.04
  4. Step 4: Simplify right side
    120,311.24x = 11,509,387,013.60
  5. Step 5: Solve for x
    x = 11,509,387,013.60/120,311.24
  6. Step 6: Final answer
    x = 95,663.44

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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.