Home / 131,154.66-196,742.82-55,275.12

Finding the Fourth Proportional to 131,154.66, 196,742.82 and 55,275.12

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Solution

The fourth proportional to 131,154.66, 196,742.82 and 55,275.12 is: 82,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,154.66 : 196,742.82 = 55,275.12 : x
  2. Step 2: Convert to fraction form
    131,154.66/196,742.82 = 55,275.12/x
  3. Step 3: Cross multiply
    131,154.66x = 196,742.82 × 55,275.12
  4. Step 4: Simplify right side
    131,154.66x = 10,874,982,984.64
  5. Step 5: Solve for x
    x = 10,874,982,984.64/131,154.66
  6. Step 6: Final answer
    x = 82,917.24

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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.