Home / 146,351.07-201,983.04-82,687.50

Finding the Fourth Proportional to 146,351.07, 201,983.04 and 82,687.50

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Solution

The fourth proportional to 146,351.07, 201,983.04 and 82,687.50 is: 114,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,351.07 : 201,983.04 = 82,687.50 : x
  2. Step 2: Convert to fraction form
    146,351.07/201,983.04 = 82,687.50/x
  3. Step 3: Cross multiply
    146,351.07x = 201,983.04 × 82,687.50
  4. Step 4: Simplify right side
    146,351.07x = 16,701,472,620
  5. Step 5: Solve for x
    x = 16,701,472,620/146,351.07
  6. Step 6: Final answer
    x = 114,119.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.