Home / 204,563.55-306,887.24-86,235.10

Finding the Fourth Proportional to 204,563.55, 306,887.24 and 86,235.10

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Solution

The fourth proportional to 204,563.55, 306,887.24 and 86,235.10 is: 129,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,563.55 : 306,887.24 = 86,235.10 : x
  2. Step 2: Convert to fraction form
    204,563.55/306,887.24 = 86,235.10/x
  3. Step 3: Cross multiply
    204,563.55x = 306,887.24 × 86,235.10
  4. Step 4: Simplify right side
    204,563.55x = 26,464,451,830.12
  5. Step 5: Solve for x
    x = 26,464,451,830.12/204,563.55
  6. Step 6: Final answer
    x = 129,370.32

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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.