Home / 80,155.26-120,266.03-35,153.35

Finding the Fourth Proportional to 80,155.26, 120,266.03 and 35,153.35

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Solution

The fourth proportional to 80,155.26, 120,266.03 and 35,153.35 is: 52,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,155.26 : 120,266.03 = 35,153.35 : x
  2. Step 2: Convert to fraction form
    80,155.26/120,266.03 = 35,153.35/x
  3. Step 3: Cross multiply
    80,155.26x = 120,266.03 × 35,153.35
  4. Step 4: Simplify right side
    80,155.26x = 4,227,753,632.92
  5. Step 5: Solve for x
    x = 4,227,753,632.92/80,155.26
  6. Step 6: Final answer
    x = 52,744.56

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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.