Home / 104,984.22-144,880.96-64,724.58

Finding the Fourth Proportional to 104,984.22, 144,880.96 and 64,724.58

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Solution

The fourth proportional to 104,984.22, 144,880.96 and 64,724.58 is: 89,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,984.22 : 144,880.96 = 64,724.58 : x
  2. Step 2: Convert to fraction form
    104,984.22/144,880.96 = 64,724.58/x
  3. Step 3: Cross multiply
    104,984.22x = 144,880.96 × 64,724.58
  4. Step 4: Simplify right side
    104,984.22x = 9,377,359,286.00
  5. Step 5: Solve for x
    x = 9,377,359,286.00/104,984.22
  6. Step 6: Final answer
    x = 89,321.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.