Home / 163,761.06-225,971.98-92,139.54

Finding the Fourth Proportional to 163,761.06, 225,971.98 and 92,139.54

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Solution

The fourth proportional to 163,761.06, 225,971.98 and 92,139.54 is: 127,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,761.06 : 225,971.98 = 92,139.54 : x
  2. Step 2: Convert to fraction form
    163,761.06/225,971.98 = 92,139.54/x
  3. Step 3: Cross multiply
    163,761.06x = 225,971.98 × 92,139.54
  4. Step 4: Simplify right side
    163,761.06x = 20,820,954,483.44
  5. Step 5: Solve for x
    x = 20,820,954,483.44/163,761.06
  6. Step 6: Final answer
    x = 127,142.28

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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.