Home / 80,110.24-120,165.62-30,176.92

Finding the Fourth Proportional to 80,110.24, 120,165.62 and 30,176.92

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Solution

The fourth proportional to 80,110.24, 120,165.62 and 30,176.92 is: 45,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.24 : 120,165.62 = 30,176.92 : x
  2. Step 2: Convert to fraction form
    80,110.24/120,165.62 = 30,176.92/x
  3. Step 3: Cross multiply
    80,110.24x = 120,165.62 × 30,176.92
  4. Step 4: Simplify right side
    80,110.24x = 3,626,228,301.49
  5. Step 5: Solve for x
    x = 3,626,228,301.49/80,110.24
  6. Step 6: Final answer
    x = 45,265.48

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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.