Home / 129,771.04-194,656.56-50,922.40

Finding the Fourth Proportional to 129,771.04, 194,656.56 and 50,922.40

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Solution

The fourth proportional to 129,771.04, 194,656.56 and 50,922.40 is: 76,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,771.04 : 194,656.56 = 50,922.40 : x
  2. Step 2: Convert to fraction form
    129,771.04/194,656.56 = 50,922.40/x
  3. Step 3: Cross multiply
    129,771.04x = 194,656.56 × 50,922.40
  4. Step 4: Simplify right side
    129,771.04x = 9,912,379,210.94
  5. Step 5: Solve for x
    x = 9,912,379,210.94/129,771.04
  6. Step 6: Final answer
    x = 76,383.60

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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.