Home / 87,256.44-130,917.47-52,220.70

Finding the Fourth Proportional to 87,256.44, 130,917.47 and 52,220.70

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Solution

The fourth proportional to 87,256.44, 130,917.47 and 52,220.70 is: 78,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,256.44 : 130,917.47 = 52,220.70 : x
  2. Step 2: Convert to fraction form
    87,256.44/130,917.47 = 52,220.70/x
  3. Step 3: Cross multiply
    87,256.44x = 130,917.47 × 52,220.70
  4. Step 4: Simplify right side
    87,256.44x = 6,836,601,664.53
  5. Step 5: Solve for x
    x = 6,836,601,664.53/87,256.44
  6. Step 6: Final answer
    x = 78,350.68

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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.