Home / 188,372.24-282,514.56-70,099.28

Finding the Fourth Proportional to 188,372.24, 282,514.56 and 70,099.28

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Solution

The fourth proportional to 188,372.24, 282,514.56 and 70,099.28 is: 105,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,372.24 : 282,514.56 = 70,099.28 : x
  2. Step 2: Convert to fraction form
    188,372.24/282,514.56 = 70,099.28/x
  3. Step 3: Cross multiply
    188,372.24x = 282,514.56 × 70,099.28
  4. Step 4: Simplify right side
    188,372.24x = 19,804,067,245.52
  5. Step 5: Solve for x
    x = 19,804,067,245.52/188,372.24
  6. Step 6: Final answer
    x = 105,132.62

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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.