Home / 215,614.83-297,548.94-120,124.95

Finding the Fourth Proportional to 215,614.83, 297,548.94 and 120,124.95

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Solution

The fourth proportional to 215,614.83, 297,548.94 and 120,124.95 is: 165,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,614.83 : 297,548.94 = 120,124.95 : x
  2. Step 2: Convert to fraction form
    215,614.83/297,548.94 = 120,124.95/x
  3. Step 3: Cross multiply
    215,614.83x = 297,548.94 × 120,124.95
  4. Step 4: Simplify right side
    215,614.83x = 35,743,051,540.05
  5. Step 5: Solve for x
    x = 35,743,051,540.05/215,614.83
  6. Step 6: Final answer
    x = 165,772.70

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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.