Home / 225,112.35-310,641.98-123,118.77

Finding the Fourth Proportional to 225,112.35, 310,641.98 and 123,118.77

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Solution

The fourth proportional to 225,112.35, 310,641.98 and 123,118.77 is: 169,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,112.35 : 310,641.98 = 123,118.77 : x
  2. Step 2: Convert to fraction form
    225,112.35/310,641.98 = 123,118.77/x
  3. Step 3: Cross multiply
    225,112.35x = 310,641.98 × 123,118.77
  4. Step 4: Simplify right side
    225,112.35x = 38,245,857,872.37
  5. Step 5: Solve for x
    x = 38,245,857,872.37/225,112.35
  6. Step 6: Final answer
    x = 169,896.76

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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.