Home / 163,725-225,938.92-92,105.40

Finding the Fourth Proportional to 163,725, 225,938.92 and 92,105.40

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Solution

The fourth proportional to 163,725, 225,938.92 and 92,105.40 is: 127,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,725 : 225,938.92 = 92,105.40 : x
  2. Step 2: Convert to fraction form
    163,725/225,938.92 = 92,105.40/x
  3. Step 3: Cross multiply
    163,725x = 225,938.92 × 92,105.40
  4. Step 4: Simplify right side
    163,725x = 20,810,194,602.17
  5. Step 5: Solve for x
    x = 20,810,194,602.17/163,725
  6. Step 6: Final answer
    x = 127,104.56

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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.