Home / 179,446.11-247,641.24-102,979.20

Finding the Fourth Proportional to 179,446.11, 247,641.24 and 102,979.20

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Solution

The fourth proportional to 179,446.11, 247,641.24 and 102,979.20 is: 142,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,446.11 : 247,641.24 = 102,979.20 : x
  2. Step 2: Convert to fraction form
    179,446.11/247,641.24 = 102,979.20/x
  3. Step 3: Cross multiply
    179,446.11x = 247,641.24 × 102,979.20
  4. Step 4: Simplify right side
    179,446.11x = 25,501,896,782.21
  5. Step 5: Solve for x
    x = 25,501,896,782.21/179,446.11
  6. Step 6: Final answer
    x = 142,114.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.