Home / 318,528.56-477,836.76-108,110

Finding the Fourth Proportional to 318,528.56, 477,836.76 and 108,110

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Solution

The fourth proportional to 318,528.56, 477,836.76 and 108,110 is: 162,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,528.56 : 477,836.76 = 108,110 : x
  2. Step 2: Convert to fraction form
    318,528.56/477,836.76 = 108,110/x
  3. Step 3: Cross multiply
    318,528.56x = 477,836.76 × 108,110
  4. Step 4: Simplify right side
    318,528.56x = 51,658,932,123.60
  5. Step 5: Solve for x
    x = 51,658,932,123.60/318,528.56
  6. Step 6: Final answer
    x = 162,179.91

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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.