Home / 80,126.04-120,189-27,535.08

Finding the Fourth Proportional to 80,126.04, 120,189 and 27,535.08

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Solution

The fourth proportional to 80,126.04, 120,189 and 27,535.08 is: 41,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,126.04 : 120,189 = 27,535.08 : x
  2. Step 2: Convert to fraction form
    80,126.04/120,189 = 27,535.08/x
  3. Step 3: Cross multiply
    80,126.04x = 120,189 × 27,535.08
  4. Step 4: Simplify right side
    80,126.04x = 3,309,413,730.12
  5. Step 5: Solve for x
    x = 3,309,413,730.12/80,126.04
  6. Step 6: Final answer
    x = 41,302.60

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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.