Home / 143,309.89-214,966.96-54,568.31

Finding the Fourth Proportional to 143,309.89, 214,966.96 and 54,568.31

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Solution

The fourth proportional to 143,309.89, 214,966.96 and 54,568.31 is: 81,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,309.89 : 214,966.96 = 54,568.31 : x
  2. Step 2: Convert to fraction form
    143,309.89/214,966.96 = 54,568.31/x
  3. Step 3: Cross multiply
    143,309.89x = 214,966.96 × 54,568.31
  4. Step 4: Simplify right side
    143,309.89x = 11,730,383,440.20
  5. Step 5: Solve for x
    x = 11,730,383,440.20/143,309.89
  6. Step 6: Final answer
    x = 81,853.28

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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.