Home / 143,822.88-215,765.47-55,076.40

Finding the Fourth Proportional to 143,822.88, 215,765.47 and 55,076.40

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Solution

The fourth proportional to 143,822.88, 215,765.47 and 55,076.40 is: 82,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,822.88 : 215,765.47 = 55,076.40 : x
  2. Step 2: Convert to fraction form
    143,822.88/215,765.47 = 55,076.40/x
  3. Step 3: Cross multiply
    143,822.88x = 215,765.47 × 55,076.40
  4. Step 4: Simplify right side
    143,822.88x = 11,883,584,793.91
  5. Step 5: Solve for x
    x = 11,883,584,793.91/143,822.88
  6. Step 6: Final answer
    x = 82,626.52

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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.