Home / 203,957.36-281,459.30-113,313.50

Finding the Fourth Proportional to 203,957.36, 281,459.30 and 113,313.50

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Solution

The fourth proportional to 203,957.36, 281,459.30 and 113,313.50 is: 156,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,957.36 : 281,459.30 = 113,313.50 : x
  2. Step 2: Convert to fraction form
    203,957.36/281,459.30 = 113,313.50/x
  3. Step 3: Cross multiply
    203,957.36x = 281,459.30 × 113,313.50
  4. Step 4: Simplify right side
    203,957.36x = 31,893,138,390.55
  5. Step 5: Solve for x
    x = 31,893,138,390.55/203,957.36
  6. Step 6: Final answer
    x = 156,371.60

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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.