Home / 203,027.22-280,174.17-112,381.24

Finding the Fourth Proportional to 203,027.22, 280,174.17 and 112,381.24

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Solution

The fourth proportional to 203,027.22, 280,174.17 and 112,381.24 is: 155,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,027.22 : 280,174.17 = 112,381.24 : x
  2. Step 2: Convert to fraction form
    203,027.22/280,174.17 = 112,381.24/x
  3. Step 3: Cross multiply
    203,027.22x = 280,174.17 × 112,381.24
  4. Step 4: Simplify right side
    203,027.22x = 31,486,318,756.69
  5. Step 5: Solve for x
    x = 31,486,318,756.69/203,027.22
  6. Step 6: Final answer
    x = 155,084.23

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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.