Home / 80,686.02-120,770.22-43,152.24

Finding the Fourth Proportional to 80,686.02, 120,770.22 and 43,152.24

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Solution

The fourth proportional to 80,686.02, 120,770.22 and 43,152.24 is: 64,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.02 : 120,770.22 = 43,152.24 : x
  2. Step 2: Convert to fraction form
    80,686.02/120,770.22 = 43,152.24/x
  3. Step 3: Cross multiply
    80,686.02x = 120,770.22 × 43,152.24
  4. Step 4: Simplify right side
    80,686.02x = 5,211,505,518.29
  5. Step 5: Solve for x
    x = 5,211,505,518.29/80,686.02
  6. Step 6: Final answer
    x = 64,589.94

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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.