Home / 98,817.12-148,245.84-28,694.88

Finding the Fourth Proportional to 98,817.12, 148,245.84 and 28,694.88

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Solution

The fourth proportional to 98,817.12, 148,245.84 and 28,694.88 is: 43,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,817.12 : 148,245.84 = 28,694.88 : x
  2. Step 2: Convert to fraction form
    98,817.12/148,245.84 = 28,694.88/x
  3. Step 3: Cross multiply
    98,817.12x = 148,245.84 × 28,694.88
  4. Step 4: Simplify right side
    98,817.12x = 4,253,896,589.30
  5. Step 5: Solve for x
    x = 4,253,896,589.30/98,817.12
  6. Step 6: Final answer
    x = 43,048.17

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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.