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Finding the Fourth Proportional to 159,924.54, 239,934.75 and 47,608.68

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Solution

The fourth proportional to 159,924.54, 239,934.75 and 47,608.68 is: 71,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,924.54 : 239,934.75 = 47,608.68 : x
  2. Step 2: Convert to fraction form
    159,924.54/239,934.75 = 47,608.68/x
  3. Step 3: Cross multiply
    159,924.54x = 239,934.75 × 47,608.68
  4. Step 4: Simplify right side
    159,924.54x = 11,422,976,733.63
  5. Step 5: Solve for x
    x = 11,422,976,733.63/159,924.54
  6. Step 6: Final answer
    x = 71,427.29

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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.