Home / 215,147.15-296,898.85-119,651.79

Finding the Fourth Proportional to 215,147.15, 296,898.85 and 119,651.79

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Solution

The fourth proportional to 215,147.15, 296,898.85 and 119,651.79 is: 165,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,147.15 : 296,898.85 = 119,651.79 : x
  2. Step 2: Convert to fraction form
    215,147.15/296,898.85 = 119,651.79/x
  3. Step 3: Cross multiply
    215,147.15x = 296,898.85 × 119,651.79
  4. Step 4: Simplify right side
    215,147.15x = 35,524,478,851.44
  5. Step 5: Solve for x
    x = 35,524,478,851.44/215,147.15
  6. Step 6: Final answer
    x = 165,117.12

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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.