Home / 143,180.10-197,687.38-89,489.24

Finding the Fourth Proportional to 143,180.10, 197,687.38 and 89,489.24

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Solution

The fourth proportional to 143,180.10, 197,687.38 and 89,489.24 is: 123,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.10 : 197,687.38 = 89,489.24 : x
  2. Step 2: Convert to fraction form
    143,180.10/197,687.38 = 89,489.24/x
  3. Step 3: Cross multiply
    143,180.10x = 197,687.38 × 89,489.24
  4. Step 4: Simplify right side
    143,180.10x = 17,690,893,393.79
  5. Step 5: Solve for x
    x = 17,690,893,393.79/143,180.10
  6. Step 6: Final answer
    x = 123,556.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.