Home / 203,120.24-280,302.48-112,474.25

Finding the Fourth Proportional to 203,120.24, 280,302.48 and 112,474.25

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Solution

The fourth proportional to 203,120.24, 280,302.48 and 112,474.25 is: 155,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,120.24 : 280,302.48 = 112,474.25 : x
  2. Step 2: Convert to fraction form
    203,120.24/280,302.48 = 112,474.25/x
  3. Step 3: Cross multiply
    203,120.24x = 280,302.48 × 112,474.25
  4. Step 4: Simplify right side
    203,120.24x = 31,526,811,911.90
  5. Step 5: Solve for x
    x = 31,526,811,911.90/203,120.24
  6. Step 6: Final answer
    x = 155,212.56

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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.