Home / 80,242.23-120,276.46-52,182.42

Finding the Fourth Proportional to 80,242.23, 120,276.46 and 52,182.42

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Solution

The fourth proportional to 80,242.23, 120,276.46 and 52,182.42 is: 78,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,242.23 : 120,276.46 = 52,182.42 : x
  2. Step 2: Convert to fraction form
    80,242.23/120,276.46 = 52,182.42/x
  3. Step 3: Cross multiply
    80,242.23x = 120,276.46 × 52,182.42
  4. Step 4: Simplify right side
    80,242.23x = 6,276,316,847.94
  5. Step 5: Solve for x
    x = 6,276,316,847.94/80,242.23
  6. Step 6: Final answer
    x = 78,217.13

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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.