Home / 134,116.20-200,882.70-81,628.20

Finding the Fourth Proportional to 134,116.20, 200,882.70 and 81,628.20

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Solution

The fourth proportional to 134,116.20, 200,882.70 and 81,628.20 is: 122,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,116.20 : 200,882.70 = 81,628.20 : x
  2. Step 2: Convert to fraction form
    134,116.20/200,882.70 = 81,628.20/x
  3. Step 3: Cross multiply
    134,116.20x = 200,882.70 × 81,628.20
  4. Step 4: Simplify right side
    134,116.20x = 16,397,693,212.14
  5. Step 5: Solve for x
    x = 16,397,693,212.14/134,116.20
  6. Step 6: Final answer
    x = 122,264.82

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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.