Home / 203,504.37-280,817.48-112,860.06

Finding the Fourth Proportional to 203,504.37, 280,817.48 and 112,860.06

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Solution

The fourth proportional to 203,504.37, 280,817.48 and 112,860.06 is: 155,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,504.37 : 280,817.48 = 112,860.06 : x
  2. Step 2: Convert to fraction form
    203,504.37/280,817.48 = 112,860.06/x
  3. Step 3: Cross multiply
    203,504.37x = 280,817.48 × 112,860.06
  4. Step 4: Simplify right side
    203,504.37x = 31,693,077,660.73
  5. Step 5: Solve for x
    x = 31,693,077,660.73/203,504.37
  6. Step 6: Final answer
    x = 155,736.59

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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.