Home / 204,895.20-307,592.40-130,015.20

Finding the Fourth Proportional to 204,895.20, 307,592.40 and 130,015.20

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Solution

The fourth proportional to 204,895.20, 307,592.40 and 130,015.20 is: 195,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,895.20 : 307,592.40 = 130,015.20 : x
  2. Step 2: Convert to fraction form
    204,895.20/307,592.40 = 130,015.20/x
  3. Step 3: Cross multiply
    204,895.20x = 307,592.40 × 130,015.20
  4. Step 4: Simplify right side
    204,895.20x = 39,991,687,404.48
  5. Step 5: Solve for x
    x = 39,991,687,404.48/204,895.20
  6. Step 6: Final answer
    x = 195,181.18

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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.