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Finding the Fourth Proportional to 169,460.32, 254,145.92 and 80,536.92

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Solution

The fourth proportional to 169,460.32, 254,145.92 and 80,536.92 is: 120,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,460.32 : 254,145.92 = 80,536.92 : x
  2. Step 2: Convert to fraction form
    169,460.32/254,145.92 = 80,536.92/x
  3. Step 3: Cross multiply
    169,460.32x = 254,145.92 × 80,536.92
  4. Step 4: Simplify right side
    169,460.32x = 20,468,129,627.37
  5. Step 5: Solve for x
    x = 20,468,129,627.37/169,460.32
  6. Step 6: Final answer
    x = 120,784.20

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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.