Home / 215,701.30-297,670.71-120,204.73

Finding the Fourth Proportional to 215,701.30, 297,670.71 and 120,204.73

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Solution

The fourth proportional to 215,701.30, 297,670.71 and 120,204.73 is: 165,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,701.30 : 297,670.71 = 120,204.73 : x
  2. Step 2: Convert to fraction form
    215,701.30/297,670.71 = 120,204.73/x
  3. Step 3: Cross multiply
    215,701.30x = 297,670.71 × 120,204.73
  4. Step 4: Simplify right side
    215,701.30x = 35,781,427,324.46
  5. Step 5: Solve for x
    x = 35,781,427,324.46/215,701.30
  6. Step 6: Final answer
    x = 165,884.15

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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.