Home / 215,700.30-297,669.33-120,203.73

Finding the Fourth Proportional to 215,700.30, 297,669.33 and 120,203.73

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Solution

The fourth proportional to 215,700.30, 297,669.33 and 120,203.73 is: 165,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,700.30 : 297,669.33 = 120,203.73 : x
  2. Step 2: Convert to fraction form
    215,700.30/297,669.33 = 120,203.73/x
  3. Step 3: Cross multiply
    215,700.30x = 297,669.33 × 120,203.73
  4. Step 4: Simplify right side
    215,700.30x = 35,780,963,772.60
  5. Step 5: Solve for x
    x = 35,780,963,772.60/215,700.30
  6. Step 6: Final answer
    x = 165,882.77

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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.