Home / 203,948.10-305,922.15-133,089.30

Finding the Fourth Proportional to 203,948.10, 305,922.15 and 133,089.30

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Solution

The fourth proportional to 203,948.10, 305,922.15 and 133,089.30 is: 199,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,948.10 : 305,922.15 = 133,089.30 : x
  2. Step 2: Convert to fraction form
    203,948.10/305,922.15 = 133,089.30/x
  3. Step 3: Cross multiply
    203,948.10x = 305,922.15 × 133,089.30
  4. Step 4: Simplify right side
    203,948.10x = 40,714,964,798.00
  5. Step 5: Solve for x
    x = 40,714,964,798.00/203,948.10
  6. Step 6: Final answer
    x = 199,633.95

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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.