Home / 104,290.20-156,508.20-66,941.10

Finding the Fourth Proportional to 104,290.20, 156,508.20 and 66,941.10

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Solution

The fourth proportional to 104,290.20, 156,508.20 and 66,941.10 is: 100,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.20 : 156,508.20 = 66,941.10 : x
  2. Step 2: Convert to fraction form
    104,290.20/156,508.20 = 66,941.10/x
  3. Step 3: Cross multiply
    104,290.20x = 156,508.20 × 66,941.10
  4. Step 4: Simplify right side
    104,290.20x = 10,476,831,067.02
  5. Step 5: Solve for x
    x = 10,476,831,067.02/104,290.20
  6. Step 6: Final answer
    x = 100,458.44

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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.