Home / 204,436.20-306,071.10-181,108.20

Finding the Fourth Proportional to 204,436.20, 306,071.10 and 181,108.20

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Solution

The fourth proportional to 204,436.20, 306,071.10 and 181,108.20 is: 271,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,436.20 : 306,071.10 = 181,108.20 : x
  2. Step 2: Convert to fraction form
    204,436.20/306,071.10 = 181,108.20/x
  3. Step 3: Cross multiply
    204,436.20x = 306,071.10 × 181,108.20
  4. Step 4: Simplify right side
    204,436.20x = 55,431,985,993.02
  5. Step 5: Solve for x
    x = 55,431,985,993.02/204,436.20
  6. Step 6: Final answer
    x = 271,145.65

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1.5x scale

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.