Home / 120,599.08-166,426.66-66,892.20

Finding the Fourth Proportional to 120,599.08, 166,426.66 and 66,892.20

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Solution

The fourth proportional to 120,599.08, 166,426.66 and 66,892.20 is: 92,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,599.08 : 166,426.66 = 66,892.20 : x
  2. Step 2: Convert to fraction form
    120,599.08/166,426.66 = 66,892.20/x
  3. Step 3: Cross multiply
    120,599.08x = 166,426.66 × 66,892.20
  4. Step 4: Simplify right side
    120,599.08x = 11,132,645,426.05
  5. Step 5: Solve for x
    x = 11,132,645,426.05/120,599.08
  6. Step 6: Final answer
    x = 92,311.20

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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.