Home / 120,887.06-166,820.84-67,170.70

Finding the Fourth Proportional to 120,887.06, 166,820.84 and 67,170.70

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Solution

The fourth proportional to 120,887.06, 166,820.84 and 67,170.70 is: 92,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,887.06 : 166,820.84 = 67,170.70 : x
  2. Step 2: Convert to fraction form
    120,887.06/166,820.84 = 67,170.70/x
  3. Step 3: Cross multiply
    120,887.06x = 166,820.84 × 67,170.70
  4. Step 4: Simplify right side
    120,887.06x = 11,205,472,597.39
  5. Step 5: Solve for x
    x = 11,205,472,597.39/120,887.06
  6. Step 6: Final answer
    x = 92,693.73

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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.