Home / 188,786.08-283,169.88-70,448.19

Finding the Fourth Proportional to 188,786.08, 283,169.88 and 70,448.19

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Solution

The fourth proportional to 188,786.08, 283,169.88 and 70,448.19 is: 105,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,786.08 : 283,169.88 = 70,448.19 : x
  2. Step 2: Convert to fraction form
    188,786.08/283,169.88 = 70,448.19/x
  3. Step 3: Cross multiply
    188,786.08x = 283,169.88 × 70,448.19
  4. Step 4: Simplify right side
    188,786.08x = 19,948,805,508.52
  5. Step 5: Solve for x
    x = 19,948,805,508.52/188,786.08
  6. Step 6: Final answer
    x = 105,668.84

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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.