Home / 175,365.05-263,133.97-81,877.37

Finding the Fourth Proportional to 175,365.05, 263,133.97 and 81,877.37

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Solution

The fourth proportional to 175,365.05, 263,133.97 and 81,877.37 is: 122,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,365.05 : 263,133.97 = 81,877.37 : x
  2. Step 2: Convert to fraction form
    175,365.05/263,133.97 = 81,877.37/x
  3. Step 3: Cross multiply
    175,365.05x = 263,133.97 × 81,877.37
  4. Step 4: Simplify right side
    175,365.05x = 21,544,715,900.90
  5. Step 5: Solve for x
    x = 21,544,715,900.90/175,365.05
  6. Step 6: Final answer
    x = 122,856.39

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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.