Home / 203,120.46-280,302.66-112,474.44

Finding the Fourth Proportional to 203,120.46, 280,302.66 and 112,474.44

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Solution

The fourth proportional to 203,120.46, 280,302.66 and 112,474.44 is: 155,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,120.46 : 280,302.66 = 112,474.44 : x
  2. Step 2: Convert to fraction form
    203,120.46/280,302.66 = 112,474.44/x
  3. Step 3: Cross multiply
    203,120.46x = 280,302.66 × 112,474.44
  4. Step 4: Simplify right side
    203,120.46x = 31,526,884,714.01
  5. Step 5: Solve for x
    x = 31,526,884,714.01/203,120.46
  6. Step 6: Final answer
    x = 155,212.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.