Home / 169,748.10-254,677.44-80,990.14

Finding the Fourth Proportional to 169,748.10, 254,677.44 and 80,990.14

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Solution

The fourth proportional to 169,748.10, 254,677.44 and 80,990.14 is: 121,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,748.10 : 254,677.44 = 80,990.14 : x
  2. Step 2: Convert to fraction form
    169,748.10/254,677.44 = 80,990.14/x
  3. Step 3: Cross multiply
    169,748.10x = 254,677.44 × 80,990.14
  4. Step 4: Simplify right side
    169,748.10x = 20,626,361,520.44
  5. Step 5: Solve for x
    x = 20,626,361,520.44/169,748.10
  6. Step 6: Final answer
    x = 121,511.59

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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.