Home / 204,585.17-307,008.83-99,346.73

Finding the Fourth Proportional to 204,585.17, 307,008.83 and 99,346.73

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Solution

The fourth proportional to 204,585.17, 307,008.83 and 99,346.73 is: 149,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,585.17 : 307,008.83 = 99,346.73 : x
  2. Step 2: Convert to fraction form
    204,585.17/307,008.83 = 99,346.73/x
  3. Step 3: Cross multiply
    204,585.17x = 307,008.83 × 99,346.73
  4. Step 4: Simplify right side
    204,585.17x = 30,500,322,054.95
  5. Step 5: Solve for x
    x = 30,500,322,054.95/204,585.17
  6. Step 6: Final answer
    x = 149,083.74

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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.