Home / 180,085.30-270,200.61-80,177.22

Finding the Fourth Proportional to 180,085.30, 270,200.61 and 80,177.22

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Solution

The fourth proportional to 180,085.30, 270,200.61 and 80,177.22 is: 120,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,085.30 : 270,200.61 = 80,177.22 : x
  2. Step 2: Convert to fraction form
    180,085.30/270,200.61 = 80,177.22/x
  3. Step 3: Cross multiply
    180,085.30x = 270,200.61 × 80,177.22
  4. Step 4: Simplify right side
    180,085.30x = 21,663,933,752.10
  5. Step 5: Solve for x
    x = 21,663,933,752.10/180,085.30
  6. Step 6: Final answer
    x = 120,298.18

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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.