Home / 188,109.70-282,238-82,854.88

Finding the Fourth Proportional to 188,109.70, 282,238 and 82,854.88

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Solution

The fourth proportional to 188,109.70, 282,238 and 82,854.88 is: 124,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,109.70 : 282,238 = 82,854.88 : x
  2. Step 2: Convert to fraction form
    188,109.70/282,238 = 82,854.88/x
  3. Step 3: Cross multiply
    188,109.70x = 282,238 × 82,854.88
  4. Step 4: Simplify right side
    188,109.70x = 23,384,795,621.44
  5. Step 5: Solve for x
    x = 23,384,795,621.44/188,109.70
  6. Step 6: Final answer
    x = 124,314.67

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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.