Home / 215,795.28-297,797.54-120,299.92

Finding the Fourth Proportional to 215,795.28, 297,797.54 and 120,299.92

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Solution

The fourth proportional to 215,795.28, 297,797.54 and 120,299.92 is: 166,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,795.28 : 297,797.54 = 120,299.92 : x
  2. Step 2: Convert to fraction form
    215,795.28/297,797.54 = 120,299.92/x
  3. Step 3: Cross multiply
    215,795.28x = 297,797.54 × 120,299.92
  4. Step 4: Simplify right side
    215,795.28x = 35,825,020,238.20
  5. Step 5: Solve for x
    x = 35,825,020,238.20/215,795.28
  6. Step 6: Final answer
    x = 166,013.92

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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.