Home / 80,178.60-120,270.06-35,794.92

Finding the Fourth Proportional to 80,178.60, 120,270.06 and 35,794.92

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Solution

The fourth proportional to 80,178.60, 120,270.06 and 35,794.92 is: 53,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178.60 : 120,270.06 = 35,794.92 : x
  2. Step 2: Convert to fraction form
    80,178.60/120,270.06 = 35,794.92/x
  3. Step 3: Cross multiply
    80,178.60x = 120,270.06 × 35,794.92
  4. Step 4: Simplify right side
    80,178.60x = 4,305,057,176.10
  5. Step 5: Solve for x
    x = 4,305,057,176.10/80,178.60
  6. Step 6: Final answer
    x = 53,693.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.