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Finding the Fourth Proportional to 115,504, 159,395.52 and 62,512

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Solution

The fourth proportional to 115,504, 159,395.52 and 62,512 is: 86,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,504 : 159,395.52 = 62,512 : x
  2. Step 2: Convert to fraction form
    115,504/159,395.52 = 62,512/x
  3. Step 3: Cross multiply
    115,504x = 159,395.52 × 62,512
  4. Step 4: Simplify right side
    115,504x = 9,964,132,746.24
  5. Step 5: Solve for x
    x = 9,964,132,746.24/115,504
  6. Step 6: Final answer
    x = 86,266.56

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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.