Home / 104,214.40-156,321.60-34,100.80

Finding the Fourth Proportional to 104,214.40, 156,321.60 and 34,100.80

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Solution

The fourth proportional to 104,214.40, 156,321.60 and 34,100.80 is: 51,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.40 : 156,321.60 = 34,100.80 : x
  2. Step 2: Convert to fraction form
    104,214.40/156,321.60 = 34,100.80/x
  3. Step 3: Cross multiply
    104,214.40x = 156,321.60 × 34,100.80
  4. Step 4: Simplify right side
    104,214.40x = 5,330,691,617.28
  5. Step 5: Solve for x
    x = 5,330,691,617.28/104,214.40
  6. Step 6: Final answer
    x = 51,151.20

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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.