Home / 179,977.92-269,971.20-55,320

Finding the Fourth Proportional to 179,977.92, 269,971.20 and 55,320

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Solution

The fourth proportional to 179,977.92, 269,971.20 and 55,320 is: 82,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,977.92 : 269,971.20 = 55,320 : x
  2. Step 2: Convert to fraction form
    179,977.92/269,971.20 = 55,320/x
  3. Step 3: Cross multiply
    179,977.92x = 269,971.20 × 55,320
  4. Step 4: Simplify right side
    179,977.92x = 14,934,806,784
  5. Step 5: Solve for x
    x = 14,934,806,784/179,977.92
  6. Step 6: Final answer
    x = 82,981.33

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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.