Home / 120,512.85-166,289.94-66,797.64

Finding the Fourth Proportional to 120,512.85, 166,289.94 and 66,797.64

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Solution

The fourth proportional to 120,512.85, 166,289.94 and 66,797.64 is: 92,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,512.85 : 166,289.94 = 66,797.64 : x
  2. Step 2: Convert to fraction form
    120,512.85/166,289.94 = 66,797.64/x
  3. Step 3: Cross multiply
    120,512.85x = 166,289.94 × 66,797.64
  4. Step 4: Simplify right side
    120,512.85x = 11,107,775,547.74
  5. Step 5: Solve for x
    x = 11,107,775,547.74/120,512.85
  6. Step 6: Final answer
    x = 92,170.88

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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.