Home / 140,890.23-194,422.41-84,332.79

Finding the Fourth Proportional to 140,890.23, 194,422.41 and 84,332.79

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Solution

The fourth proportional to 140,890.23, 194,422.41 and 84,332.79 is: 116,375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,890.23 : 194,422.41 = 84,332.79 : x
  2. Step 2: Convert to fraction form
    140,890.23/194,422.41 = 84,332.79/x
  3. Step 3: Cross multiply
    140,890.23x = 194,422.41 × 84,332.79
  4. Step 4: Simplify right side
    140,890.23x = 16,396,184,273.82
  5. Step 5: Solve for x
    x = 16,396,184,273.82/140,890.23
  6. Step 6: Final answer
    x = 116,375.59

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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.