Home / 215,940.38-297,998.04-120,453.18

Finding the Fourth Proportional to 215,940.38, 297,998.04 and 120,453.18

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Solution

The fourth proportional to 215,940.38, 297,998.04 and 120,453.18 is: 166,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,940.38 : 297,998.04 = 120,453.18 : x
  2. Step 2: Convert to fraction form
    215,940.38/297,998.04 = 120,453.18/x
  3. Step 3: Cross multiply
    215,940.38x = 297,998.04 × 120,453.18
  4. Step 4: Simplify right side
    215,940.38x = 35,894,811,551.77
  5. Step 5: Solve for x
    x = 35,894,811,551.77/215,940.38
  6. Step 6: Final answer
    x = 166,225.56

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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.