Home / 104,531.20-156,796.80-34,417.60

Finding the Fourth Proportional to 104,531.20, 156,796.80 and 34,417.60

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Solution

The fourth proportional to 104,531.20, 156,796.80 and 34,417.60 is: 51,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,531.20 : 156,796.80 = 34,417.60 : x
  2. Step 2: Convert to fraction form
    104,531.20/156,796.80 = 34,417.60/x
  3. Step 3: Cross multiply
    104,531.20x = 156,796.80 × 34,417.60
  4. Step 4: Simplify right side
    104,531.20x = 5,396,569,543.68
  5. Step 5: Solve for x
    x = 5,396,569,543.68/104,531.20
  6. Step 6: Final answer
    x = 51,626.40

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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.