Home / 161,734.20-242,601.30-119,743.80

Finding the Fourth Proportional to 161,734.20, 242,601.30 and 119,743.80

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Solution

The fourth proportional to 161,734.20, 242,601.30 and 119,743.80 is: 179,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734.20 : 242,601.30 = 119,743.80 : x
  2. Step 2: Convert to fraction form
    161,734.20/242,601.30 = 119,743.80/x
  3. Step 3: Cross multiply
    161,734.20x = 242,601.30 × 119,743.80
  4. Step 4: Simplify right side
    161,734.20x = 29,050,001,546.94
  5. Step 5: Solve for x
    x = 29,050,001,546.94/161,734.20
  6. Step 6: Final answer
    x = 179,615.70

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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.