Home / 120,887.65-166,817.61-67,170.83

Finding the Fourth Proportional to 120,887.65, 166,817.61 and 67,170.83

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Solution

The fourth proportional to 120,887.65, 166,817.61 and 67,170.83 is: 92,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,887.65 : 166,817.61 = 67,170.83 : x
  2. Step 2: Convert to fraction form
    120,887.65/166,817.61 = 67,170.83/x
  3. Step 3: Cross multiply
    120,887.65x = 166,817.61 × 67,170.83
  4. Step 4: Simplify right side
    120,887.65x = 11,205,277,322.32
  5. Step 5: Solve for x
    x = 11,205,277,322.32/120,887.65
  6. Step 6: Final answer
    x = 92,691.66

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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.