Home / 204,108.24-306,301.68-70,987.17

Finding the Fourth Proportional to 204,108.24, 306,301.68 and 70,987.17

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Solution

The fourth proportional to 204,108.24, 306,301.68 and 70,987.17 is: 106,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,108.24 : 306,301.68 = 70,987.17 : x
  2. Step 2: Convert to fraction form
    204,108.24/306,301.68 = 70,987.17/x
  3. Step 3: Cross multiply
    204,108.24x = 306,301.68 × 70,987.17
  4. Step 4: Simplify right side
    204,108.24x = 21,743,489,429.45
  5. Step 5: Solve for x
    x = 21,743,489,429.45/204,108.24
  6. Step 6: Final answer
    x = 106,529.21

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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.