Home / 82,918.35-114,391.85-54,188.15

Finding the Fourth Proportional to 82,918.35, 114,391.85 and 54,188.15

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Solution

The fourth proportional to 82,918.35, 114,391.85 and 54,188.15 is: 74,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,918.35 : 114,391.85 = 54,188.15 : x
  2. Step 2: Convert to fraction form
    82,918.35/114,391.85 = 54,188.15/x
  3. Step 3: Cross multiply
    82,918.35x = 114,391.85 × 54,188.15
  4. Step 4: Simplify right side
    82,918.35x = 6,198,682,726.58
  5. Step 5: Solve for x
    x = 6,198,682,726.58/82,918.35
  6. Step 6: Final answer
    x = 74,756.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.