Home / 140,727.84-194,204.70-76,197.75

Finding the Fourth Proportional to 140,727.84, 194,204.70 and 76,197.75

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Solution

The fourth proportional to 140,727.84, 194,204.70 and 76,197.75 is: 105,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,727.84 : 194,204.70 = 76,197.75 : x
  2. Step 2: Convert to fraction form
    140,727.84/194,204.70 = 76,197.75/x
  3. Step 3: Cross multiply
    140,727.84x = 194,204.70 × 76,197.75
  4. Step 4: Simplify right side
    140,727.84x = 14,797,961,179.43
  5. Step 5: Solve for x
    x = 14,797,961,179.43/140,727.84
  6. Step 6: Final answer
    x = 105,153.05

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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.