Home / 140,601.68-194,030.31-76,939.48

Finding the Fourth Proportional to 140,601.68, 194,030.31 and 76,939.48

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Solution

The fourth proportional to 140,601.68, 194,030.31 and 76,939.48 is: 106,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.68 : 194,030.31 = 76,939.48 : x
  2. Step 2: Convert to fraction form
    140,601.68/194,030.31 = 76,939.48/x
  3. Step 3: Cross multiply
    140,601.68x = 194,030.31 × 76,939.48
  4. Step 4: Simplify right side
    140,601.68x = 14,928,591,155.64
  5. Step 5: Solve for x
    x = 14,928,591,155.64/140,601.68
  6. Step 6: Final answer
    x = 106,176.48

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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.