Home / 169,725.28-254,200.38-81,041.04

Finding the Fourth Proportional to 169,725.28, 254,200.38 and 81,041.04

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Solution

The fourth proportional to 169,725.28, 254,200.38 and 81,041.04 is: 121,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,725.28 : 254,200.38 = 81,041.04 : x
  2. Step 2: Convert to fraction form
    169,725.28/254,200.38 = 81,041.04/x
  3. Step 3: Cross multiply
    169,725.28x = 254,200.38 × 81,041.04
  4. Step 4: Simplify right side
    169,725.28x = 20,600,663,163.60
  5. Step 5: Solve for x
    x = 20,600,663,163.60/169,725.28
  6. Step 6: Final answer
    x = 121,376.52

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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.