Home / 159,315.48-219,743.37-104,850.29

Finding the Fourth Proportional to 159,315.48, 219,743.37 and 104,850.29

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Solution

The fourth proportional to 159,315.48, 219,743.37 and 104,850.29 is: 144,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,315.48 : 219,743.37 = 104,850.29 : x
  2. Step 2: Convert to fraction form
    159,315.48/219,743.37 = 104,850.29/x
  3. Step 3: Cross multiply
    159,315.48x = 219,743.37 × 104,850.29
  4. Step 4: Simplify right side
    159,315.48x = 23,040,156,619.44
  5. Step 5: Solve for x
    x = 23,040,156,619.44/159,315.48
  6. Step 6: Final answer
    x = 144,619.70

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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.