Home / 76,198.31-114,265.36-28,805.41

Finding the Fourth Proportional to 76,198.31, 114,265.36 and 28,805.41

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Solution

The fourth proportional to 76,198.31, 114,265.36 and 28,805.41 is: 43,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,198.31 : 114,265.36 = 28,805.41 : x
  2. Step 2: Convert to fraction form
    76,198.31/114,265.36 = 28,805.41/x
  3. Step 3: Cross multiply
    76,198.31x = 114,265.36 × 28,805.41
  4. Step 4: Simplify right side
    76,198.31x = 3,291,460,543.60
  5. Step 5: Solve for x
    x = 3,291,460,543.60/76,198.31
  6. Step 6: Final answer
    x = 43,195.98

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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.