Home / 163,676.20-245,514.30-122,204.20

Finding the Fourth Proportional to 163,676.20, 245,514.30 and 122,204.20

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Solution

The fourth proportional to 163,676.20, 245,514.30 and 122,204.20 is: 183,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,676.20 : 245,514.30 = 122,204.20 : x
  2. Step 2: Convert to fraction form
    163,676.20/245,514.30 = 122,204.20/x
  3. Step 3: Cross multiply
    163,676.20x = 245,514.30 × 122,204.20
  4. Step 4: Simplify right side
    163,676.20x = 30,002,878,620.06
  5. Step 5: Solve for x
    x = 30,002,878,620.06/163,676.20
  6. Step 6: Final answer
    x = 183,306.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.