Home / 124,226.28-171,432.66-67,638

Finding the Fourth Proportional to 124,226.28, 171,432.66 and 67,638

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Solution

The fourth proportional to 124,226.28, 171,432.66 and 67,638 is: 93,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,226.28 : 171,432.66 = 67,638 : x
  2. Step 2: Convert to fraction form
    124,226.28/171,432.66 = 67,638/x
  3. Step 3: Cross multiply
    124,226.28x = 171,432.66 × 67,638
  4. Step 4: Simplify right side
    124,226.28x = 11,595,362,257.08
  5. Step 5: Solve for x
    x = 11,595,362,257.08/124,226.28
  6. Step 6: Final answer
    x = 93,340.65

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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.