Home / 143,584.92-215,385.48-43,748.64

Finding the Fourth Proportional to 143,584.92, 215,385.48 and 43,748.64

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Solution

The fourth proportional to 143,584.92, 215,385.48 and 43,748.64 is: 65,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,584.92 : 215,385.48 = 43,748.64 : x
  2. Step 2: Convert to fraction form
    143,584.92/215,385.48 = 43,748.64/x
  3. Step 3: Cross multiply
    143,584.92x = 215,385.48 × 43,748.64
  4. Step 4: Simplify right side
    143,584.92x = 9,422,821,825.75
  5. Step 5: Solve for x
    x = 9,422,821,825.75/143,584.92
  6. Step 6: Final answer
    x = 65,625.43

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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.