Home / 203,565.22-280,735.96-127,091.30

Finding the Fourth Proportional to 203,565.22, 280,735.96 and 127,091.30

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Solution

The fourth proportional to 203,565.22, 280,735.96 and 127,091.30 is: 175,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,565.22 : 280,735.96 = 127,091.30 : x
  2. Step 2: Convert to fraction form
    203,565.22/280,735.96 = 127,091.30/x
  3. Step 3: Cross multiply
    203,565.22x = 280,735.96 × 127,091.30
  4. Step 4: Simplify right side
    203,565.22x = 35,679,098,113.15
  5. Step 5: Solve for x
    x = 35,679,098,113.15/203,565.22
  6. Step 6: Final answer
    x = 175,271.09

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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.