Home / 169,432.35-253,983.21-80,662.02

Finding the Fourth Proportional to 169,432.35, 253,983.21 and 80,662.02

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Solution

The fourth proportional to 169,432.35, 253,983.21 and 80,662.02 is: 120,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,432.35 : 253,983.21 = 80,662.02 : x
  2. Step 2: Convert to fraction form
    169,432.35/253,983.21 = 80,662.02/x
  3. Step 3: Cross multiply
    169,432.35x = 253,983.21 × 80,662.02
  4. Step 4: Simplify right side
    169,432.35x = 20,486,798,764.68
  5. Step 5: Solve for x
    x = 20,486,798,764.68/169,432.35
  6. Step 6: Final answer
    x = 120,914.33

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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.