Home / 120,549.20-166,357.94-66,834.88

Finding the Fourth Proportional to 120,549.20, 166,357.94 and 66,834.88

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Solution

The fourth proportional to 120,549.20, 166,357.94 and 66,834.88 is: 92,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,549.20 : 166,357.94 = 66,834.88 : x
  2. Step 2: Convert to fraction form
    120,549.20/166,357.94 = 66,834.88/x
  3. Step 3: Cross multiply
    120,549.20x = 166,357.94 × 66,834.88
  4. Step 4: Simplify right side
    120,549.20x = 11,118,512,956.95
  5. Step 5: Solve for x
    x = 11,118,512,956.95/120,549.20
  6. Step 6: Final answer
    x = 92,232.16

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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.