Home / 131,568.84-197,355.68-42,822

Finding the Fourth Proportional to 131,568.84, 197,355.68 and 42,822

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Solution

The fourth proportional to 131,568.84, 197,355.68 and 42,822 is: 64,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,568.84 : 197,355.68 = 42,822 : x
  2. Step 2: Convert to fraction form
    131,568.84/197,355.68 = 42,822/x
  3. Step 3: Cross multiply
    131,568.84x = 197,355.68 × 42,822
  4. Step 4: Simplify right side
    131,568.84x = 8,451,164,928.96
  5. Step 5: Solve for x
    x = 8,451,164,928.96/131,568.84
  6. Step 6: Final answer
    x = 64,233.79

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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.