Home / 102,748.56-154,155.76-43,633.92

Finding the Fourth Proportional to 102,748.56, 154,155.76 and 43,633.92

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Solution

The fourth proportional to 102,748.56, 154,155.76 and 43,633.92 is: 65,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,748.56 : 154,155.76 = 43,633.92 : x
  2. Step 2: Convert to fraction form
    102,748.56/154,155.76 = 43,633.92/x
  3. Step 3: Cross multiply
    102,748.56x = 154,155.76 × 43,633.92
  4. Step 4: Simplify right side
    102,748.56x = 6,726,420,099.38
  5. Step 5: Solve for x
    x = 6,726,420,099.38/102,748.56
  6. Step 6: Final answer
    x = 65,464.86

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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.