Home / 140,959.22-194,529.34-77,299.30

Finding the Fourth Proportional to 140,959.22, 194,529.34 and 77,299.30

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Solution

The fourth proportional to 140,959.22, 194,529.34 and 77,299.30 is: 106,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,959.22 : 194,529.34 = 77,299.30 : x
  2. Step 2: Convert to fraction form
    140,959.22/194,529.34 = 77,299.30/x
  3. Step 3: Cross multiply
    140,959.22x = 194,529.34 × 77,299.30
  4. Step 4: Simplify right side
    140,959.22x = 15,036,981,811.46
  5. Step 5: Solve for x
    x = 15,036,981,811.46/140,959.22
  6. Step 6: Final answer
    x = 106,676.11

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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.