Home / 179,341.20-268,990.20-74,149.20

Finding the Fourth Proportional to 179,341.20, 268,990.20 and 74,149.20

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Solution

The fourth proportional to 179,341.20, 268,990.20 and 74,149.20 is: 111,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,341.20 : 268,990.20 = 74,149.20 : x
  2. Step 2: Convert to fraction form
    179,341.20/268,990.20 = 74,149.20/x
  3. Step 3: Cross multiply
    179,341.20x = 268,990.20 × 74,149.20
  4. Step 4: Simplify right side
    179,341.20x = 19,945,408,137.84
  5. Step 5: Solve for x
    x = 19,945,408,137.84/179,341.20
  6. Step 6: Final answer
    x = 111,214.87

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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.