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Finding the Fourth Proportional to 183,569.74, 275,239.86 and 76,924.87

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Solution

The fourth proportional to 183,569.74, 275,239.86 and 76,924.87 is: 115,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,569.74 : 275,239.86 = 76,924.87 : x
  2. Step 2: Convert to fraction form
    183,569.74/275,239.86 = 76,924.87/x
  3. Step 3: Cross multiply
    183,569.74x = 275,239.86 × 76,924.87
  4. Step 4: Simplify right side
    183,569.74x = 21,172,790,449.32
  5. Step 5: Solve for x
    x = 21,172,790,449.32/183,569.74
  6. Step 6: Final answer
    x = 115,339.22

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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.