Home / 98,998.20-148,497.30-54,711.45

Finding the Fourth Proportional to 98,998.20, 148,497.30 and 54,711.45

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Solution

The fourth proportional to 98,998.20, 148,497.30 and 54,711.45 is: 82,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,998.20 : 148,497.30 = 54,711.45 : x
  2. Step 2: Convert to fraction form
    98,998.20/148,497.30 = 54,711.45/x
  3. Step 3: Cross multiply
    98,998.20x = 148,497.30 × 54,711.45
  4. Step 4: Simplify right side
    98,998.20x = 8,124,502,604.09
  5. Step 5: Solve for x
    x = 8,124,502,604.09/98,998.20
  6. Step 6: Final answer
    x = 82,067.18

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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.