Home / 203,566.82-280,899.53-112,900.07

Finding the Fourth Proportional to 203,566.82, 280,899.53 and 112,900.07

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Solution

The fourth proportional to 203,566.82, 280,899.53 and 112,900.07 is: 155,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,566.82 : 280,899.53 = 112,900.07 : x
  2. Step 2: Convert to fraction form
    203,566.82/280,899.53 = 112,900.07/x
  3. Step 3: Cross multiply
    203,566.82x = 280,899.53 × 112,900.07
  4. Step 4: Simplify right side
    203,566.82x = 31,713,574,630.97
  5. Step 5: Solve for x
    x = 31,713,574,630.97/203,566.82
  6. Step 6: Final answer
    x = 155,789.51

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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.