Home / 129,769.04-194,653.56-50,920.40

Finding the Fourth Proportional to 129,769.04, 194,653.56 and 50,920.40

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Solution

The fourth proportional to 129,769.04, 194,653.56 and 50,920.40 is: 76,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,769.04 : 194,653.56 = 50,920.40 : x
  2. Step 2: Convert to fraction form
    129,769.04/194,653.56 = 50,920.40/x
  3. Step 3: Cross multiply
    129,769.04x = 194,653.56 × 50,920.40
  4. Step 4: Simplify right side
    129,769.04x = 9,911,837,136.62
  5. Step 5: Solve for x
    x = 9,911,837,136.62/129,769.04
  6. Step 6: Final answer
    x = 76,380.60

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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.