Home / 225,402.03-310,984.38-129,895.74

Finding the Fourth Proportional to 225,402.03, 310,984.38 and 129,895.74

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Solution

The fourth proportional to 225,402.03, 310,984.38 and 129,895.74 is: 179,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,402.03 : 310,984.38 = 129,895.74 : x
  2. Step 2: Convert to fraction form
    225,402.03/310,984.38 = 129,895.74/x
  3. Step 3: Cross multiply
    225,402.03x = 310,984.38 × 129,895.74
  4. Step 4: Simplify right side
    225,402.03x = 40,395,546,168.54
  5. Step 5: Solve for x
    x = 40,395,546,168.54/225,402.03
  6. Step 6: Final answer
    x = 179,215.54

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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.