Home / 215,579.92-297,509.49-120,086.68

Finding the Fourth Proportional to 215,579.92, 297,509.49 and 120,086.68

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Solution

The fourth proportional to 215,579.92, 297,509.49 and 120,086.68 is: 165,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,579.92 : 297,509.49 = 120,086.68 : x
  2. Step 2: Convert to fraction form
    215,579.92/297,509.49 = 120,086.68/x
  3. Step 3: Cross multiply
    215,579.92x = 297,509.49 × 120,086.68
  4. Step 4: Simplify right side
    215,579.92x = 35,726,924,834.61
  5. Step 5: Solve for x
    x = 35,726,924,834.61/215,579.92
  6. Step 6: Final answer
    x = 165,724.74

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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.