Home / 188,455.43-282,558.17-68,498.14

Finding the Fourth Proportional to 188,455.43, 282,558.17 and 68,498.14

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Solution

The fourth proportional to 188,455.43, 282,558.17 and 68,498.14 is: 102,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,455.43 : 282,558.17 = 68,498.14 : x
  2. Step 2: Convert to fraction form
    188,455.43/282,558.17 = 68,498.14/x
  3. Step 3: Cross multiply
    188,455.43x = 282,558.17 × 68,498.14
  4. Step 4: Simplify right side
    188,455.43x = 19,354,708,551.65
  5. Step 5: Solve for x
    x = 19,354,708,551.65/188,455.43
  6. Step 6: Final answer
    x = 102,701.78

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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.