Home / 188,864.10-283,296.15-105,747.30

Finding the Fourth Proportional to 188,864.10, 283,296.15 and 105,747.30

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Solution

The fourth proportional to 188,864.10, 283,296.15 and 105,747.30 is: 158,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,864.10 : 283,296.15 = 105,747.30 : x
  2. Step 2: Convert to fraction form
    188,864.10/283,296.15 = 105,747.30/x
  3. Step 3: Cross multiply
    188,864.10x = 283,296.15 × 105,747.30
  4. Step 4: Simplify right side
    188,864.10x = 29,957,802,962.90
  5. Step 5: Solve for x
    x = 29,957,802,962.90/188,864.10
  6. Step 6: Final answer
    x = 158,620.95

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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.