Home / 129,968.80-194,960.04-36,481.84

Finding the Fourth Proportional to 129,968.80, 194,960.04 and 36,481.84

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Solution

The fourth proportional to 129,968.80, 194,960.04 and 36,481.84 is: 54,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.80 : 194,960.04 = 36,481.84 : x
  2. Step 2: Convert to fraction form
    129,968.80/194,960.04 = 36,481.84/x
  3. Step 3: Cross multiply
    129,968.80x = 194,960.04 × 36,481.84
  4. Step 4: Simplify right side
    129,968.80x = 7,112,500,985.67
  5. Step 5: Solve for x
    x = 7,112,500,985.67/129,968.80
  6. Step 6: Final answer
    x = 54,724.68

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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.