Home / 163,723.78-225,938.49-92,103.87

Finding the Fourth Proportional to 163,723.78, 225,938.49 and 92,103.87

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Solution

The fourth proportional to 163,723.78, 225,938.49 and 92,103.87 is: 127,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,723.78 : 225,938.49 = 92,103.87 : x
  2. Step 2: Convert to fraction form
    163,723.78/225,938.49 = 92,103.87/x
  3. Step 3: Cross multiply
    163,723.78x = 225,938.49 × 92,103.87
  4. Step 4: Simplify right side
    163,723.78x = 20,809,809,310.96
  5. Step 5: Solve for x
    x = 20,809,809,310.96/163,723.78
  6. Step 6: Final answer
    x = 127,103.16

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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.