Home / 203,964.40-281,457.48-113,313.52

Finding the Fourth Proportional to 203,964.40, 281,457.48 and 113,313.52

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Solution

The fourth proportional to 203,964.40, 281,457.48 and 113,313.52 is: 156,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,964.40 : 281,457.48 = 113,313.52 : x
  2. Step 2: Convert to fraction form
    203,964.40/281,457.48 = 113,313.52/x
  3. Step 3: Cross multiply
    203,964.40x = 281,457.48 × 113,313.52
  4. Step 4: Simplify right side
    203,964.40x = 31,892,937,789.13
  5. Step 5: Solve for x
    x = 31,892,937,789.13/203,964.40
  6. Step 6: Final answer
    x = 156,365.22

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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.