Home / 131,194.24-196,864.24-81,301.44

Finding the Fourth Proportional to 131,194.24, 196,864.24 and 81,301.44

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Solution

The fourth proportional to 131,194.24, 196,864.24 and 81,301.44 is: 121,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,194.24 : 196,864.24 = 81,301.44 : x
  2. Step 2: Convert to fraction form
    131,194.24/196,864.24 = 81,301.44/x
  3. Step 3: Cross multiply
    131,194.24x = 196,864.24 × 81,301.44
  4. Step 4: Simplify right side
    131,194.24x = 16,005,346,196.51
  5. Step 5: Solve for x
    x = 16,005,346,196.51/131,194.24
  6. Step 6: Final answer
    x = 121,997.32

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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.