Home / 215,764.48-297,753.60-120,269.92

Finding the Fourth Proportional to 215,764.48, 297,753.60 and 120,269.92

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Solution

The fourth proportional to 215,764.48, 297,753.60 and 120,269.92 is: 165,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,764.48 : 297,753.60 = 120,269.92 : x
  2. Step 2: Convert to fraction form
    215,764.48/297,753.60 = 120,269.92/x
  3. Step 3: Cross multiply
    215,764.48x = 297,753.60 × 120,269.92
  4. Step 4: Simplify right side
    215,764.48x = 35,810,801,651.71
  5. Step 5: Solve for x
    x = 35,810,801,651.71/215,764.48
  6. Step 6: Final answer
    x = 165,971.72

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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.