Home / 120,534.20-166,326.72-68,851.08

Finding the Fourth Proportional to 120,534.20, 166,326.72 and 68,851.08

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Solution

The fourth proportional to 120,534.20, 166,326.72 and 68,851.08 is: 95,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,534.20 : 166,326.72 = 68,851.08 : x
  2. Step 2: Convert to fraction form
    120,534.20/166,326.72 = 68,851.08/x
  3. Step 3: Cross multiply
    120,534.20x = 166,326.72 × 68,851.08
  4. Step 4: Simplify right side
    120,534.20x = 11,451,774,304.86
  5. Step 5: Solve for x
    x = 11,451,774,304.86/120,534.20
  6. Step 6: Final answer
    x = 95,008.51

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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.