Home / 161,827.20-242,788.64-82,996.80

Finding the Fourth Proportional to 161,827.20, 242,788.64 and 82,996.80

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Solution

The fourth proportional to 161,827.20, 242,788.64 and 82,996.80 is: 124,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,827.20 : 242,788.64 = 82,996.80 : x
  2. Step 2: Convert to fraction form
    161,827.20/242,788.64 = 82,996.80/x
  3. Step 3: Cross multiply
    161,827.20x = 242,788.64 × 82,996.80
  4. Step 4: Simplify right side
    161,827.20x = 20,150,680,196.35
  5. Step 5: Solve for x
    x = 20,150,680,196.35/161,827.20
  6. Step 6: Final answer
    x = 124,519.74

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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.