Home / 179,340.20-268,988.70-74,148.20

Finding the Fourth Proportional to 179,340.20, 268,988.70 and 74,148.20

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Solution

The fourth proportional to 179,340.20, 268,988.70 and 74,148.20 is: 111,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,340.20 : 268,988.70 = 74,148.20 : x
  2. Step 2: Convert to fraction form
    179,340.20/268,988.70 = 74,148.20/x
  3. Step 3: Cross multiply
    179,340.20x = 268,988.70 × 74,148.20
  4. Step 4: Simplify right side
    179,340.20x = 19,945,027,925.34
  5. Step 5: Solve for x
    x = 19,945,027,925.34/179,340.20
  6. Step 6: Final answer
    x = 111,213.37

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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.