Home / 134,786.20-202,179.30-51,680.20

Finding the Fourth Proportional to 134,786.20, 202,179.30 and 51,680.20

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Solution

The fourth proportional to 134,786.20, 202,179.30 and 51,680.20 is: 77,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,786.20 : 202,179.30 = 51,680.20 : x
  2. Step 2: Convert to fraction form
    134,786.20/202,179.30 = 51,680.20/x
  3. Step 3: Cross multiply
    134,786.20x = 202,179.30 × 51,680.20
  4. Step 4: Simplify right side
    134,786.20x = 10,448,666,659.86
  5. Step 5: Solve for x
    x = 10,448,666,659.86/134,786.20
  6. Step 6: Final answer
    x = 77,520.30

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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.