Home / 189,204.08-261,147.12-113,738

Finding the Fourth Proportional to 189,204.08, 261,147.12 and 113,738

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Solution

The fourth proportional to 189,204.08, 261,147.12 and 113,738 is: 156,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,204.08 : 261,147.12 = 113,738 : x
  2. Step 2: Convert to fraction form
    189,204.08/261,147.12 = 113,738/x
  3. Step 3: Cross multiply
    189,204.08x = 261,147.12 × 113,738
  4. Step 4: Simplify right side
    189,204.08x = 29,702,351,134.56
  5. Step 5: Solve for x
    x = 29,702,351,134.56/189,204.08
  6. Step 6: Final answer
    x = 156,985.79

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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.