Home / 203,026.88-280,173.03-112,382.82

Finding the Fourth Proportional to 203,026.88, 280,173.03 and 112,382.82

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Solution

The fourth proportional to 203,026.88, 280,173.03 and 112,382.82 is: 155,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,026.88 : 280,173.03 = 112,382.82 : x
  2. Step 2: Convert to fraction form
    203,026.88/280,173.03 = 112,382.82/x
  3. Step 3: Cross multiply
    203,026.88x = 280,173.03 × 112,382.82
  4. Step 4: Simplify right side
    203,026.88x = 31,486,635,199.34
  5. Step 5: Solve for x
    x = 31,486,635,199.34/203,026.88
  6. Step 6: Final answer
    x = 155,086.04

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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.