Home / 80,077.96-120,131.36-26,764.67

Finding the Fourth Proportional to 80,077.96, 120,131.36 and 26,764.67

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Solution

The fourth proportional to 80,077.96, 120,131.36 and 26,764.67 is: 40,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,077.96 : 120,131.36 = 26,764.67 : x
  2. Step 2: Convert to fraction form
    80,077.96/120,131.36 = 26,764.67/x
  3. Step 3: Cross multiply
    80,077.96x = 120,131.36 × 26,764.67
  4. Step 4: Simplify right side
    80,077.96x = 3,215,275,472.57
  5. Step 5: Solve for x
    x = 3,215,275,472.57/80,077.96
  6. Step 6: Final answer
    x = 40,151.82

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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.