Home / 203,088.44-280,293-126,619.94

Finding the Fourth Proportional to 203,088.44, 280,293 and 126,619.94

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Solution

The fourth proportional to 203,088.44, 280,293 and 126,619.94 is: 174,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,088.44 : 280,293 = 126,619.94 : x
  2. Step 2: Convert to fraction form
    203,088.44/280,293 = 126,619.94/x
  3. Step 3: Cross multiply
    203,088.44x = 280,293 × 126,619.94
  4. Step 4: Simplify right side
    203,088.44x = 35,490,682,842.42
  5. Step 5: Solve for x
    x = 35,490,682,842.42/203,088.44
  6. Step 6: Final answer
    x = 174,754.82

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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.