Home / 204,088.20-306,132.30-202,119.90

Finding the Fourth Proportional to 204,088.20, 306,132.30 and 202,119.90

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Solution

The fourth proportional to 204,088.20, 306,132.30 and 202,119.90 is: 303,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,088.20 : 306,132.30 = 202,119.90 : x
  2. Step 2: Convert to fraction form
    204,088.20/306,132.30 = 202,119.90/x
  3. Step 3: Cross multiply
    204,088.20x = 306,132.30 × 202,119.90
  4. Step 4: Simplify right side
    204,088.20x = 61,875,429,862.77
  5. Step 5: Solve for x
    x = 61,875,429,862.77/204,088.20
  6. Step 6: Final answer
    x = 303,179.85

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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.