Home / 143,628.64-215,252.88-110,221.04

Finding the Fourth Proportional to 143,628.64, 215,252.88 and 110,221.04

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Solution

The fourth proportional to 143,628.64, 215,252.88 and 110,221.04 is: 165,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,628.64 : 215,252.88 = 110,221.04 : x
  2. Step 2: Convert to fraction form
    143,628.64/215,252.88 = 110,221.04/x
  3. Step 3: Cross multiply
    143,628.64x = 215,252.88 × 110,221.04
  4. Step 4: Simplify right side
    143,628.64x = 23,725,396,296.60
  5. Step 5: Solve for x
    x = 23,725,396,296.60/143,628.64
  6. Step 6: Final answer
    x = 165,185.69

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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.