Home / 87,256.37-130,772.81-75,965.68

Finding the Fourth Proportional to 87,256.37, 130,772.81 and 75,965.68

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Solution

The fourth proportional to 87,256.37, 130,772.81 and 75,965.68 is: 113,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,256.37 : 130,772.81 = 75,965.68 : x
  2. Step 2: Convert to fraction form
    87,256.37/130,772.81 = 75,965.68/x
  3. Step 3: Cross multiply
    87,256.37x = 130,772.81 × 75,965.68
  4. Step 4: Simplify right side
    87,256.37x = 9,934,245,790.54
  5. Step 5: Solve for x
    x = 9,934,245,790.54/87,256.37
  6. Step 6: Final answer
    x = 113,851.24

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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.