Home / 121,711.92-182,563.92-55,152.24

Finding the Fourth Proportional to 121,711.92, 182,563.92 and 55,152.24

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Solution

The fourth proportional to 121,711.92, 182,563.92 and 55,152.24 is: 82,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,711.92 : 182,563.92 = 55,152.24 : x
  2. Step 2: Convert to fraction form
    121,711.92/182,563.92 = 55,152.24/x
  3. Step 3: Cross multiply
    121,711.92x = 182,563.92 × 55,152.24
  4. Step 4: Simplify right side
    121,711.92x = 10,068,809,131.18
  5. Step 5: Solve for x
    x = 10,068,809,131.18/121,711.92
  6. Step 6: Final answer
    x = 82,726.57

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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.