Home / 140,601.93-194,030.65-76,939.73

Finding the Fourth Proportional to 140,601.93, 194,030.65 and 76,939.73

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Solution

The fourth proportional to 140,601.93, 194,030.65 and 76,939.73 is: 106,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.93 : 194,030.65 = 76,939.73 : x
  2. Step 2: Convert to fraction form
    140,601.93/194,030.65 = 76,939.73/x
  3. Step 3: Cross multiply
    140,601.93x = 194,030.65 × 76,939.73
  4. Step 4: Simplify right side
    140,601.93x = 14,928,665,822.72
  5. Step 5: Solve for x
    x = 14,928,665,822.72/140,601.93
  6. Step 6: Final answer
    x = 106,176.82

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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.