Home / 250,161.20-345,221.88-136,982.96

Finding the Fourth Proportional to 250,161.20, 345,221.88 and 136,982.96

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Solution

The fourth proportional to 250,161.20, 345,221.88 and 136,982.96 is: 189,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,161.20 : 345,221.88 = 136,982.96 : x
  2. Step 2: Convert to fraction form
    250,161.20/345,221.88 = 136,982.96/x
  3. Step 3: Cross multiply
    250,161.20x = 345,221.88 × 136,982.96
  4. Step 4: Simplify right side
    250,161.20x = 47,289,514,979.16
  5. Step 5: Solve for x
    x = 47,289,514,979.16/250,161.20
  6. Step 6: Final answer
    x = 189,036.17

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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.