Home / 159,201.18-219,606.39-99,481.50

Finding the Fourth Proportional to 159,201.18, 219,606.39 and 99,481.50

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Solution

The fourth proportional to 159,201.18, 219,606.39 and 99,481.50 is: 137,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,201.18 : 219,606.39 = 99,481.50 : x
  2. Step 2: Convert to fraction form
    159,201.18/219,606.39 = 99,481.50/x
  3. Step 3: Cross multiply
    159,201.18x = 219,606.39 × 99,481.50
  4. Step 4: Simplify right side
    159,201.18x = 21,846,773,086.79
  5. Step 5: Solve for x
    x = 21,846,773,086.79/159,201.18
  6. Step 6: Final answer
    x = 137,227.46

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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.