Home / 179,621.30-269,140.35-112,942.10

Finding the Fourth Proportional to 179,621.30, 269,140.35 and 112,942.10

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Solution

The fourth proportional to 179,621.30, 269,140.35 and 112,942.10 is: 169,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,621.30 : 269,140.35 = 112,942.10 : x
  2. Step 2: Convert to fraction form
    179,621.30/269,140.35 = 112,942.10/x
  3. Step 3: Cross multiply
    179,621.30x = 269,140.35 × 112,942.10
  4. Step 4: Simplify right side
    179,621.30x = 30,397,276,323.74
  5. Step 5: Solve for x
    x = 30,397,276,323.74/179,621.30
  6. Step 6: Final answer
    x = 169,229.80

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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.