Home / 203,027.09-280,152.60-117,013.89

Finding the Fourth Proportional to 203,027.09, 280,152.60 and 117,013.89

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Solution

The fourth proportional to 203,027.09, 280,152.60 and 117,013.89 is: 161,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,027.09 : 280,152.60 = 117,013.89 : x
  2. Step 2: Convert to fraction form
    203,027.09/280,152.60 = 117,013.89/x
  3. Step 3: Cross multiply
    203,027.09x = 280,152.60 × 117,013.89
  4. Step 4: Simplify right side
    203,027.09x = 32,781,745,519.61
  5. Step 5: Solve for x
    x = 32,781,745,519.61/203,027.09
  6. Step 6: Final answer
    x = 161,464.89

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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.