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Finding the Fourth Proportional to 179,805.80, 270,000.30 and 120,902.60

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Solution

The fourth proportional to 179,805.80, 270,000.30 and 120,902.60 is: 181,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,805.80 : 270,000.30 = 120,902.60 : x
  2. Step 2: Convert to fraction form
    179,805.80/270,000.30 = 120,902.60/x
  3. Step 3: Cross multiply
    179,805.80x = 270,000.30 × 120,902.60
  4. Step 4: Simplify right side
    179,805.80x = 32,643,738,270.78
  5. Step 5: Solve for x
    x = 32,643,738,270.78/179,805.80
  6. Step 6: Final answer
    x = 181,549.97

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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.