Home / 123,649.97-170,635.82-69,945.48

Finding the Fourth Proportional to 123,649.97, 170,635.82 and 69,945.48

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Solution

The fourth proportional to 123,649.97, 170,635.82 and 69,945.48 is: 96,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,649.97 : 170,635.82 = 69,945.48 : x
  2. Step 2: Convert to fraction form
    123,649.97/170,635.82 = 69,945.48/x
  3. Step 3: Cross multiply
    123,649.97x = 170,635.82 × 69,945.48
  4. Step 4: Simplify right side
    123,649.97x = 11,935,203,985.37
  5. Step 5: Solve for x
    x = 11,935,203,985.37/123,649.97
  6. Step 6: Final answer
    x = 96,524.12

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1.5x scale

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.