Home / 215,129.93-296,874.11-117,010.64

Finding the Fourth Proportional to 215,129.93, 296,874.11 and 117,010.64

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Solution

The fourth proportional to 215,129.93, 296,874.11 and 117,010.64 is: 161,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,129.93 : 296,874.11 = 117,010.64 : x
  2. Step 2: Convert to fraction form
    215,129.93/296,874.11 = 117,010.64/x
  3. Step 3: Cross multiply
    215,129.93x = 296,874.11 × 117,010.64
  4. Step 4: Simplify right side
    215,129.93x = 34,737,430,645.24
  5. Step 5: Solve for x
    x = 34,737,430,645.24/215,129.93
  6. Step 6: Final answer
    x = 161,471.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.