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Finding the Fourth Proportional to 179,806.80, 270,001.80 and 120,903.60

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Solution

The fourth proportional to 179,806.80, 270,001.80 and 120,903.60 is: 181,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,806.80 : 270,001.80 = 120,903.60 : x
  2. Step 2: Convert to fraction form
    179,806.80/270,001.80 = 120,903.60/x
  3. Step 3: Cross multiply
    179,806.80x = 270,001.80 × 120,903.60
  4. Step 4: Simplify right side
    179,806.80x = 32,644,189,626.48
  5. Step 5: Solve for x
    x = 32,644,189,626.48/179,806.80
  6. Step 6: Final answer
    x = 181,551.47

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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.