Home / 80,280.12-120,256.02-37,524.36

Finding the Fourth Proportional to 80,280.12, 120,256.02 and 37,524.36

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Solution

The fourth proportional to 80,280.12, 120,256.02 and 37,524.36 is: 56,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.12 : 120,256.02 = 37,524.36 : x
  2. Step 2: Convert to fraction form
    80,280.12/120,256.02 = 37,524.36/x
  3. Step 3: Cross multiply
    80,280.12x = 120,256.02 × 37,524.36
  4. Step 4: Simplify right side
    80,280.12x = 4,512,530,186.65
  5. Step 5: Solve for x
    x = 4,512,530,186.65/80,280.12
  6. Step 6: Final answer
    x = 56,209.81

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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.