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Finding the Fourth Proportional to 115,500, 159,390 and 62,508

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Solution

The fourth proportional to 115,500, 159,390 and 62,508 is: 86,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500 : 159,390 = 62,508 : x
  2. Step 2: Convert to fraction form
    115,500/159,390 = 62,508/x
  3. Step 3: Cross multiply
    115,500x = 159,390 × 62,508
  4. Step 4: Simplify right side
    115,500x = 9,963,150,120
  5. Step 5: Solve for x
    x = 9,963,150,120/115,500
  6. Step 6: Final answer
    x = 86,261.04

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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.