Home / 120,459.30-166,229.40-69,474.18

Finding the Fourth Proportional to 120,459.30, 166,229.40 and 69,474.18

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Solution

The fourth proportional to 120,459.30, 166,229.40 and 69,474.18 is: 95,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,459.30 : 166,229.40 = 69,474.18 : x
  2. Step 2: Convert to fraction form
    120,459.30/166,229.40 = 69,474.18/x
  3. Step 3: Cross multiply
    120,459.30x = 166,229.40 × 69,474.18
  4. Step 4: Simplify right side
    120,459.30x = 11,548,651,256.89
  5. Step 5: Solve for x
    x = 11,548,651,256.89/120,459.30
  6. Step 6: Final answer
    x = 95,871.81

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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.