Home / 213,976.28-295,297.40-129,091.52

Finding the Fourth Proportional to 213,976.28, 295,297.40 and 129,091.52

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Solution

The fourth proportional to 213,976.28, 295,297.40 and 129,091.52 is: 178,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,976.28 : 295,297.40 = 129,091.52 : x
  2. Step 2: Convert to fraction form
    213,976.28/295,297.40 = 129,091.52/x
  3. Step 3: Cross multiply
    213,976.28x = 295,297.40 × 129,091.52
  4. Step 4: Simplify right side
    213,976.28x = 38,120,390,218.05
  5. Step 5: Solve for x
    x = 38,120,390,218.05/213,976.28
  6. Step 6: Final answer
    x = 178,152.41

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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.