Home / 215,591.73-297,516.75-120,098.65

Finding the Fourth Proportional to 215,591.73, 297,516.75 and 120,098.65

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Solution

The fourth proportional to 215,591.73, 297,516.75 and 120,098.65 is: 165,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,591.73 : 297,516.75 = 120,098.65 : x
  2. Step 2: Convert to fraction form
    215,591.73/297,516.75 = 120,098.65/x
  3. Step 3: Cross multiply
    215,591.73x = 297,516.75 × 120,098.65
  4. Step 4: Simplify right side
    215,591.73x = 35,731,359,391.07
  5. Step 5: Solve for x
    x = 35,731,359,391.07/215,591.73
  6. Step 6: Final answer
    x = 165,736.23

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1.5x scale

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.