Home / 147,891.15-221,705.37-68,896.71

Finding the Fourth Proportional to 147,891.15, 221,705.37 and 68,896.71

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Solution

The fourth proportional to 147,891.15, 221,705.37 and 68,896.71 is: 103,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,891.15 : 221,705.37 = 68,896.71 : x
  2. Step 2: Convert to fraction form
    147,891.15/221,705.37 = 68,896.71/x
  3. Step 3: Cross multiply
    147,891.15x = 221,705.37 × 68,896.71
  4. Step 4: Simplify right side
    147,891.15x = 15,274,770,582.33
  5. Step 5: Solve for x
    x = 15,274,770,582.33/147,891.15
  6. Step 6: Final answer
    x = 103,283.87

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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.