Home / 140,749.56-194,234.38-77,087.52

Finding the Fourth Proportional to 140,749.56, 194,234.38 and 77,087.52

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Solution

The fourth proportional to 140,749.56, 194,234.38 and 77,087.52 is: 106,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,749.56 : 194,234.38 = 77,087.52 : x
  2. Step 2: Convert to fraction form
    140,749.56/194,234.38 = 77,087.52/x
  3. Step 3: Cross multiply
    140,749.56x = 194,234.38 × 77,087.52
  4. Step 4: Simplify right side
    140,749.56x = 14,973,046,652.94
  5. Step 5: Solve for x
    x = 14,973,046,652.94/140,749.56
  6. Step 6: Final answer
    x = 106,380.77

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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.