Home / 132,318.32-198,732.78-113,385.87

Finding the Fourth Proportional to 132,318.32, 198,732.78 and 113,385.87

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Solution

The fourth proportional to 132,318.32, 198,732.78 and 113,385.87 is: 170,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318.32 : 198,732.78 = 113,385.87 : x
  2. Step 2: Convert to fraction form
    132,318.32/198,732.78 = 113,385.87/x
  3. Step 3: Cross multiply
    132,318.32x = 198,732.78 × 113,385.87
  4. Step 4: Simplify right side
    132,318.32x = 22,533,489,157.82
  5. Step 5: Solve for x
    x = 22,533,489,157.82/132,318.32
  6. Step 6: Final answer
    x = 170,297.58

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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.