Home / 143,288.39-214,963.64-43,456.25

Finding the Fourth Proportional to 143,288.39, 214,963.64 and 43,456.25

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Solution

The fourth proportional to 143,288.39, 214,963.64 and 43,456.25 is: 65,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,288.39 : 214,963.64 = 43,456.25 : x
  2. Step 2: Convert to fraction form
    143,288.39/214,963.64 = 43,456.25/x
  3. Step 3: Cross multiply
    143,288.39x = 214,963.64 × 43,456.25
  4. Step 4: Simplify right side
    143,288.39x = 9,341,512,714.57
  5. Step 5: Solve for x
    x = 9,341,512,714.57/143,288.39
  6. Step 6: Final answer
    x = 65,193.79

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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.