Home / 169,170.24-253,754.90-75,610.38

Finding the Fourth Proportional to 169,170.24, 253,754.90 and 75,610.38

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Solution

The fourth proportional to 169,170.24, 253,754.90 and 75,610.38 is: 113,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,170.24 : 253,754.90 = 75,610.38 : x
  2. Step 2: Convert to fraction form
    169,170.24/253,754.90 = 75,610.38/x
  3. Step 3: Cross multiply
    169,170.24x = 253,754.90 × 75,610.38
  4. Step 4: Simplify right side
    169,170.24x = 19,186,504,415.86
  5. Step 5: Solve for x
    x = 19,186,504,415.86/169,170.24
  6. Step 6: Final answer
    x = 113,415.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.