Home / 80,184.60-120,277.68-35,813.52

Finding the Fourth Proportional to 80,184.60, 120,277.68 and 35,813.52

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Solution

The fourth proportional to 80,184.60, 120,277.68 and 35,813.52 is: 53,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,184.60 : 120,277.68 = 35,813.52 : x
  2. Step 2: Convert to fraction form
    80,184.60/120,277.68 = 35,813.52/x
  3. Step 3: Cross multiply
    80,184.60x = 120,277.68 × 35,813.52
  4. Step 4: Simplify right side
    80,184.60x = 4,307,567,098.23
  5. Step 5: Solve for x
    x = 4,307,567,098.23/80,184.60
  6. Step 6: Final answer
    x = 53,720.63

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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.