Home / 204,165.15-306,309.89-104,395.43

Finding the Fourth Proportional to 204,165.15, 306,309.89 and 104,395.43

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Solution

The fourth proportional to 204,165.15, 306,309.89 and 104,395.43 is: 156,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,165.15 : 306,309.89 = 104,395.43 : x
  2. Step 2: Convert to fraction form
    204,165.15/306,309.89 = 104,395.43/x
  3. Step 3: Cross multiply
    204,165.15x = 306,309.89 × 104,395.43
  4. Step 4: Simplify right side
    204,165.15x = 31,977,352,679.80
  5. Step 5: Solve for x
    x = 31,977,352,679.80/204,165.15
  6. Step 6: Final answer
    x = 156,624.93

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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.