Home / 80,233.44-120,325.51-55,432.86

Finding the Fourth Proportional to 80,233.44, 120,325.51 and 55,432.86

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Solution

The fourth proportional to 80,233.44, 120,325.51 and 55,432.86 is: 83,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.44 : 120,325.51 = 55,432.86 : x
  2. Step 2: Convert to fraction form
    80,233.44/120,325.51 = 55,432.86/x
  3. Step 3: Cross multiply
    80,233.44x = 120,325.51 × 55,432.86
  4. Step 4: Simplify right side
    80,233.44x = 6,669,987,150.26
  5. Step 5: Solve for x
    x = 6,669,987,150.26/80,233.44
  6. Step 6: Final answer
    x = 83,132.26

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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.