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Finding the Fourth Proportional to 168,858.31, 233,026.31 and 92,375.77

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Solution

The fourth proportional to 168,858.31, 233,026.31 and 92,375.77 is: 127,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,858.31 : 233,026.31 = 92,375.77 : x
  2. Step 2: Convert to fraction form
    168,858.31/233,026.31 = 92,375.77/x
  3. Step 3: Cross multiply
    168,858.31x = 233,026.31 × 92,375.77
  4. Step 4: Simplify right side
    168,858.31x = 21,525,984,816.51
  5. Step 5: Solve for x
    x = 21,525,984,816.51/168,858.31
  6. Step 6: Final answer
    x = 127,479.57

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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.