Home / 215,442.88-297,306.12-119,947.66

Finding the Fourth Proportional to 215,442.88, 297,306.12 and 119,947.66

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Solution

The fourth proportional to 215,442.88, 297,306.12 and 119,947.66 is: 165,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,442.88 : 297,306.12 = 119,947.66 : x
  2. Step 2: Convert to fraction form
    215,442.88/297,306.12 = 119,947.66/x
  3. Step 3: Cross multiply
    215,442.88x = 297,306.12 × 119,947.66
  4. Step 4: Simplify right side
    215,442.88x = 35,661,173,397.68
  5. Step 5: Solve for x
    x = 35,661,173,397.68/215,442.88
  6. Step 6: Final answer
    x = 165,524.96

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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.