Home / 204,011.13-306,065.88-70,872.03

Finding the Fourth Proportional to 204,011.13, 306,065.88 and 70,872.03

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Solution

The fourth proportional to 204,011.13, 306,065.88 and 70,872.03 is: 106,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,011.13 : 306,065.88 = 70,872.03 : x
  2. Step 2: Convert to fraction form
    204,011.13/306,065.88 = 70,872.03/x
  3. Step 3: Cross multiply
    204,011.13x = 306,065.88 × 70,872.03
  4. Step 4: Simplify right side
    204,011.13x = 21,691,510,229.34
  5. Step 5: Solve for x
    x = 21,691,510,229.34/204,011.13
  6. Step 6: Final answer
    x = 106,325.13

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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.