Home / 131,265.96-181,169.63-76,067.54

Finding the Fourth Proportional to 131,265.96, 181,169.63 and 76,067.54

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Solution

The fourth proportional to 131,265.96, 181,169.63 and 76,067.54 is: 104,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,265.96 : 181,169.63 = 76,067.54 : x
  2. Step 2: Convert to fraction form
    131,265.96/181,169.63 = 76,067.54/x
  3. Step 3: Cross multiply
    131,265.96x = 181,169.63 × 76,067.54
  4. Step 4: Simplify right side
    131,265.96x = 13,781,128,719.90
  5. Step 5: Solve for x
    x = 13,781,128,719.90/131,265.96
  6. Step 6: Final answer
    x = 104,986.31

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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.