Home / 165,269.73-228,065.80-89,816.61

Finding the Fourth Proportional to 165,269.73, 228,065.80 and 89,816.61

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Solution

The fourth proportional to 165,269.73, 228,065.80 and 89,816.61 is: 123,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,269.73 : 228,065.80 = 89,816.61 : x
  2. Step 2: Convert to fraction form
    165,269.73/228,065.80 = 89,816.61/x
  3. Step 3: Cross multiply
    165,269.73x = 228,065.80 × 89,816.61
  4. Step 4: Simplify right side
    165,269.73x = 20,484,097,012.94
  5. Step 5: Solve for x
    x = 20,484,097,012.94/165,269.73
  6. Step 6: Final answer
    x = 123,943.43

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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.