Home / 318,158.79-477,238.19-131,165.43

Finding the Fourth Proportional to 318,158.79, 477,238.19 and 131,165.43

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Solution

The fourth proportional to 318,158.79, 477,238.19 and 131,165.43 is: 196,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,158.79 : 477,238.19 = 131,165.43 : x
  2. Step 2: Convert to fraction form
    318,158.79/477,238.19 = 131,165.43/x
  3. Step 3: Cross multiply
    318,158.79x = 477,238.19 × 131,165.43
  4. Step 4: Simplify right side
    318,158.79x = 62,597,151,747.94
  5. Step 5: Solve for x
    x = 62,597,151,747.94/318,158.79
  6. Step 6: Final answer
    x = 196,748.15

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Similar ratio
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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.