Home / 203,346.10-280,627.96-117,273.08

Finding the Fourth Proportional to 203,346.10, 280,627.96 and 117,273.08

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Solution

The fourth proportional to 203,346.10, 280,627.96 and 117,273.08 is: 161,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,346.10 : 280,627.96 = 117,273.08 : x
  2. Step 2: Convert to fraction form
    203,346.10/280,627.96 = 117,273.08/x
  3. Step 3: Cross multiply
    203,346.10x = 280,627.96 × 117,273.08
  4. Step 4: Simplify right side
    203,346.10x = 32,910,105,203.32
  5. Step 5: Solve for x
    x = 32,910,105,203.32/203,346.10
  6. Step 6: Final answer
    x = 161,842.81

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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.