Home / 204,278.96-306,705.42-104,510.72

Finding the Fourth Proportional to 204,278.96, 306,705.42 and 104,510.72

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Solution

The fourth proportional to 204,278.96, 306,705.42 and 104,510.72 is: 156,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,278.96 : 306,705.42 = 104,510.72 : x
  2. Step 2: Convert to fraction form
    204,278.96/306,705.42 = 104,510.72/x
  3. Step 3: Cross multiply
    204,278.96x = 306,705.42 × 104,510.72
  4. Step 4: Simplify right side
    204,278.96x = 32,054,004,272.10
  5. Step 5: Solve for x
    x = 32,054,004,272.10/204,278.96
  6. Step 6: Final answer
    x = 156,912.90

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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.