Home / 187,796.51-259,161.23-102,911.75

Finding the Fourth Proportional to 187,796.51, 259,161.23 and 102,911.75

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Solution

The fourth proportional to 187,796.51, 259,161.23 and 102,911.75 is: 142,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,796.51 : 259,161.23 = 102,911.75 : x
  2. Step 2: Convert to fraction form
    187,796.51/259,161.23 = 102,911.75/x
  3. Step 3: Cross multiply
    187,796.51x = 259,161.23 × 102,911.75
  4. Step 4: Simplify right side
    187,796.51x = 26,670,735,711.45
  5. Step 5: Solve for x
    x = 26,670,735,711.45/187,796.51
  6. Step 6: Final answer
    x = 142,019.34

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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.