Home / 209,199.52-313,700.72-75,985.84

Finding the Fourth Proportional to 209,199.52, 313,700.72 and 75,985.84

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Solution

The fourth proportional to 209,199.52, 313,700.72 and 75,985.84 is: 113,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,199.52 : 313,700.72 = 75,985.84 : x
  2. Step 2: Convert to fraction form
    209,199.52/313,700.72 = 75,985.84/x
  3. Step 3: Cross multiply
    209,199.52x = 313,700.72 × 75,985.84
  4. Step 4: Simplify right side
    209,199.52x = 23,836,812,717.80
  5. Step 5: Solve for x
    x = 23,836,812,717.80/209,199.52
  6. Step 6: Final answer
    x = 113,942.96

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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.