Home / 259,947.84-389,919.76-106,073.24

Finding the Fourth Proportional to 259,947.84, 389,919.76 and 106,073.24

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Solution

The fourth proportional to 259,947.84, 389,919.76 and 106,073.24 is: 159,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,947.84 : 389,919.76 = 106,073.24 : x
  2. Step 2: Convert to fraction form
    259,947.84/389,919.76 = 106,073.24/x
  3. Step 3: Cross multiply
    259,947.84x = 389,919.76 × 106,073.24
  4. Step 4: Simplify right side
    259,947.84x = 41,360,052,283.22
  5. Step 5: Solve for x
    x = 41,360,052,283.22/259,947.84
  6. Step 6: Final answer
    x = 159,109.04

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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.