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Finding the Fourth Proportional to 104,419.33, 156,694.88 and 44,447.71

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Solution

The fourth proportional to 104,419.33, 156,694.88 and 44,447.71 is: 66,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.33 : 156,694.88 = 44,447.71 : x
  2. Step 2: Convert to fraction form
    104,419.33/156,694.88 = 44,447.71/x
  3. Step 3: Cross multiply
    104,419.33x = 156,694.88 × 44,447.71
  4. Step 4: Simplify right side
    104,419.33x = 6,964,727,579.01
  5. Step 5: Solve for x
    x = 6,964,727,579.01/104,419.33
  6. Step 6: Final answer
    x = 66,699.60

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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.