Home / 312,742.11-469,083.11-88,098.96

Finding the Fourth Proportional to 312,742.11, 469,083.11 and 88,098.96

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Solution

The fourth proportional to 312,742.11, 469,083.11 and 88,098.96 is: 132,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,742.11 : 469,083.11 = 88,098.96 : x
  2. Step 2: Convert to fraction form
    312,742.11/469,083.11 = 88,098.96/x
  3. Step 3: Cross multiply
    312,742.11x = 469,083.11 × 88,098.96
  4. Step 4: Simplify right side
    312,742.11x = 41,325,733,704.07
  5. Step 5: Solve for x
    x = 41,325,733,704.07/312,742.11
  6. Step 6: Final answer
    x = 132,139.97

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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.