Home / 204,019.12-306,077.88-70,880

Finding the Fourth Proportional to 204,019.12, 306,077.88 and 70,880

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Solution

The fourth proportional to 204,019.12, 306,077.88 and 70,880 is: 106,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,019.12 : 306,077.88 = 70,880 : x
  2. Step 2: Convert to fraction form
    204,019.12/306,077.88 = 70,880/x
  3. Step 3: Cross multiply
    204,019.12x = 306,077.88 × 70,880
  4. Step 4: Simplify right side
    204,019.12x = 21,694,800,134.40
  5. Step 5: Solve for x
    x = 21,694,800,134.40/204,019.12
  6. Step 6: Final answer
    x = 106,337.09

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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.