Home / 215,425.20-297,282.60-119,933.76

Finding the Fourth Proportional to 215,425.20, 297,282.60 and 119,933.76

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Solution

The fourth proportional to 215,425.20, 297,282.60 and 119,933.76 is: 165,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,425.20 : 297,282.60 = 119,933.76 : x
  2. Step 2: Convert to fraction form
    215,425.20/297,282.60 = 119,933.76/x
  3. Step 3: Cross multiply
    215,425.20x = 297,282.60 × 119,933.76
  4. Step 4: Simplify right side
    215,425.20x = 35,654,220,000.58
  5. Step 5: Solve for x
    x = 35,654,220,000.58/215,425.20
  6. Step 6: Final answer
    x = 165,506.26

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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.