Home / 180,004.20-269,747.10-80,082.60

Finding the Fourth Proportional to 180,004.20, 269,747.10 and 80,082.60

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Solution

The fourth proportional to 180,004.20, 269,747.10 and 80,082.60 is: 120,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,004.20 : 269,747.10 = 80,082.60 : x
  2. Step 2: Convert to fraction form
    180,004.20/269,747.10 = 80,082.60/x
  3. Step 3: Cross multiply
    180,004.20x = 269,747.10 × 80,082.60
  4. Step 4: Simplify right side
    180,004.20x = 21,602,049,110.46
  5. Step 5: Solve for x
    x = 21,602,049,110.46/180,004.20
  6. Step 6: Final answer
    x = 120,008.58

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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.