Home / 126,082.20-189,123.30-118,306.20

Finding the Fourth Proportional to 126,082.20, 189,123.30 and 118,306.20

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Solution

The fourth proportional to 126,082.20, 189,123.30 and 118,306.20 is: 177,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,082.20 : 189,123.30 = 118,306.20 : x
  2. Step 2: Convert to fraction form
    126,082.20/189,123.30 = 118,306.20/x
  3. Step 3: Cross multiply
    126,082.20x = 189,123.30 × 118,306.20
  4. Step 4: Simplify right side
    126,082.20x = 22,374,458,954.46
  5. Step 5: Solve for x
    x = 22,374,458,954.46/126,082.20
  6. Step 6: Final answer
    x = 177,459.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.