Home / 204,003.90-306,005.85-71,034.30

Finding the Fourth Proportional to 204,003.90, 306,005.85 and 71,034.30

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Solution

The fourth proportional to 204,003.90, 306,005.85 and 71,034.30 is: 106,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,003.90 : 306,005.85 = 71,034.30 : x
  2. Step 2: Convert to fraction form
    204,003.90/306,005.85 = 71,034.30/x
  3. Step 3: Cross multiply
    204,003.90x = 306,005.85 × 71,034.30
  4. Step 4: Simplify right side
    204,003.90x = 21,736,911,350.66
  5. Step 5: Solve for x
    x = 21,736,911,350.66/204,003.90
  6. Step 6: Final answer
    x = 106,551.45

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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.