Home / 169,721.28-254,194.38-81,037.04

Finding the Fourth Proportional to 169,721.28, 254,194.38 and 81,037.04

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Solution

The fourth proportional to 169,721.28, 254,194.38 and 81,037.04 is: 121,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,721.28 : 254,194.38 = 81,037.04 : x
  2. Step 2: Convert to fraction form
    169,721.28/254,194.38 = 81,037.04/x
  3. Step 3: Cross multiply
    169,721.28x = 254,194.38 × 81,037.04
  4. Step 4: Simplify right side
    169,721.28x = 20,599,158,868.86
  5. Step 5: Solve for x
    x = 20,599,158,868.86/169,721.28
  6. Step 6: Final answer
    x = 121,370.51

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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.