Home / 204,079.10-305,513.85-151,720.70

Finding the Fourth Proportional to 204,079.10, 305,513.85 and 151,720.70

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Solution

The fourth proportional to 204,079.10, 305,513.85 and 151,720.70 is: 227,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,079.10 : 305,513.85 = 151,720.70 : x
  2. Step 2: Convert to fraction form
    204,079.10/305,513.85 = 151,720.70/x
  3. Step 3: Cross multiply
    204,079.10x = 305,513.85 × 151,720.70
  4. Step 4: Simplify right side
    204,079.10x = 46,352,775,181.70
  5. Step 5: Solve for x
    x = 46,352,775,181.70/204,079.10
  6. Step 6: Final answer
    x = 227,131.42

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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.