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Finding the Fourth Proportional to 163,427.78, 225,490.56 and 95,406

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Solution

The fourth proportional to 163,427.78, 225,490.56 and 95,406 is: 131,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,427.78 : 225,490.56 = 95,406 : x
  2. Step 2: Convert to fraction form
    163,427.78/225,490.56 = 95,406/x
  3. Step 3: Cross multiply
    163,427.78x = 225,490.56 × 95,406
  4. Step 4: Simplify right side
    163,427.78x = 21,513,152,367.36
  5. Step 5: Solve for x
    x = 21,513,152,367.36/163,427.78
  6. Step 6: Final answer
    x = 131,637.06

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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.