Home / 225,310.38-310,943.37-129,823.26

Finding the Fourth Proportional to 225,310.38, 310,943.37 and 129,823.26

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Solution

The fourth proportional to 225,310.38, 310,943.37 and 129,823.26 is: 179,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,310.38 : 310,943.37 = 129,823.26 : x
  2. Step 2: Convert to fraction form
    225,310.38/310,943.37 = 129,823.26/x
  3. Step 3: Cross multiply
    225,310.38x = 310,943.37 × 129,823.26
  4. Step 4: Simplify right side
    225,310.38x = 40,367,681,968.79
  5. Step 5: Solve for x
    x = 40,367,681,968.79/225,310.38
  6. Step 6: Final answer
    x = 179,164.77

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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.