Home / 281,765.02-422,713.05-82,106.62

Finding the Fourth Proportional to 281,765.02, 422,713.05 and 82,106.62

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Solution

The fourth proportional to 281,765.02, 422,713.05 and 82,106.62 is: 123,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,765.02 : 422,713.05 = 82,106.62 : x
  2. Step 2: Convert to fraction form
    281,765.02/422,713.05 = 82,106.62/x
  3. Step 3: Cross multiply
    281,765.02x = 422,713.05 × 82,106.62
  4. Step 4: Simplify right side
    281,765.02x = 34,707,539,765.39
  5. Step 5: Solve for x
    x = 34,707,539,765.39/281,765.02
  6. Step 6: Final answer
    x = 123,179.02

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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.