Home / 215,439.20-297,301.92-119,947.76

Finding the Fourth Proportional to 215,439.20, 297,301.92 and 119,947.76

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Solution

The fourth proportional to 215,439.20, 297,301.92 and 119,947.76 is: 165,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,439.20 : 297,301.92 = 119,947.76 : x
  2. Step 2: Convert to fraction form
    215,439.20/297,301.92 = 119,947.76/x
  3. Step 3: Cross multiply
    215,439.20x = 297,301.92 × 119,947.76
  4. Step 4: Simplify right side
    215,439.20x = 35,660,699,347.70
  5. Step 5: Solve for x
    x = 35,660,699,347.70/215,439.20
  6. Step 6: Final answer
    x = 165,525.58

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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.