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Finding the Fourth Proportional to 115,244, 159,036.72 and 62,252

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Solution

The fourth proportional to 115,244, 159,036.72 and 62,252 is: 85,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,244 : 159,036.72 = 62,252 : x
  2. Step 2: Convert to fraction form
    115,244/159,036.72 = 62,252/x
  3. Step 3: Cross multiply
    115,244x = 159,036.72 × 62,252
  4. Step 4: Simplify right side
    115,244x = 9,900,353,893.44
  5. Step 5: Solve for x
    x = 9,900,353,893.44/115,244
  6. Step 6: Final answer
    x = 85,907.76

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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.