Home / 140,596.08-194,027.31-76,933.86

Finding the Fourth Proportional to 140,596.08, 194,027.31 and 76,933.86

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Solution

The fourth proportional to 140,596.08, 194,027.31 and 76,933.86 is: 106,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,596.08 : 194,027.31 = 76,933.86 : x
  2. Step 2: Convert to fraction form
    140,596.08/194,027.31 = 76,933.86/x
  3. Step 3: Cross multiply
    140,596.08x = 194,027.31 × 76,933.86
  4. Step 4: Simplify right side
    140,596.08x = 14,927,269,903.72
  5. Step 5: Solve for x
    x = 14,927,269,903.72/140,596.08
  6. Step 6: Final answer
    x = 106,171.31

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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.