Home / 80,208.20-120,263.57-40,180.63

Finding the Fourth Proportional to 80,208.20, 120,263.57 and 40,180.63

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Solution

The fourth proportional to 80,208.20, 120,263.57 and 40,180.63 is: 60,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,208.20 : 120,263.57 = 40,180.63 : x
  2. Step 2: Convert to fraction form
    80,208.20/120,263.57 = 40,180.63/x
  3. Step 3: Cross multiply
    80,208.20x = 120,263.57 × 40,180.63
  4. Step 4: Simplify right side
    80,208.20x = 4,832,266,008.65
  5. Step 5: Solve for x
    x = 4,832,266,008.65/80,208.20
  6. Step 6: Final answer
    x = 60,246.53

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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.