Home / 147,734.52-221,601.78-68,903.88

Finding the Fourth Proportional to 147,734.52, 221,601.78 and 68,903.88

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Solution

The fourth proportional to 147,734.52, 221,601.78 and 68,903.88 is: 103,355.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,734.52 : 221,601.78 = 68,903.88 : x
  2. Step 2: Convert to fraction form
    147,734.52/221,601.78 = 68,903.88/x
  3. Step 3: Cross multiply
    147,734.52x = 221,601.78 × 68,903.88
  4. Step 4: Simplify right side
    147,734.52x = 15,269,222,456.91
  5. Step 5: Solve for x
    x = 15,269,222,456.91/147,734.52
  6. Step 6: Final answer
    x = 103,355.82

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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.