Home / 80,206.58-120,242.21-50,559.05

Finding the Fourth Proportional to 80,206.58, 120,242.21 and 50,559.05

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Solution

The fourth proportional to 80,206.58, 120,242.21 and 50,559.05 is: 75,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206.58 : 120,242.21 = 50,559.05 : x
  2. Step 2: Convert to fraction form
    80,206.58/120,242.21 = 50,559.05/x
  3. Step 3: Cross multiply
    80,206.58x = 120,242.21 × 50,559.05
  4. Step 4: Simplify right side
    80,206.58x = 6,079,331,955.31
  5. Step 5: Solve for x
    x = 6,079,331,955.31/80,206.58
  6. Step 6: Final answer
    x = 75,795.92

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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.