Home / 120,431.71-166,189.22-66,713.52

Finding the Fourth Proportional to 120,431.71, 166,189.22 and 66,713.52

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Solution

The fourth proportional to 120,431.71, 166,189.22 and 66,713.52 is: 92,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,431.71 : 166,189.22 = 66,713.52 : x
  2. Step 2: Convert to fraction form
    120,431.71/166,189.22 = 66,713.52/x
  3. Step 3: Cross multiply
    120,431.71x = 166,189.22 × 66,713.52
  4. Step 4: Simplify right side
    120,431.71x = 11,087,068,392.07
  5. Step 5: Solve for x
    x = 11,087,068,392.07/120,431.71
  6. Step 6: Final answer
    x = 92,061.04

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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.