Home / 140,602.20-194,032.17-76,940.52

Finding the Fourth Proportional to 140,602.20, 194,032.17 and 76,940.52

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Solution

The fourth proportional to 140,602.20, 194,032.17 and 76,940.52 is: 106,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,602.20 : 194,032.17 = 76,940.52 : x
  2. Step 2: Convert to fraction form
    140,602.20/194,032.17 = 76,940.52/x
  3. Step 3: Cross multiply
    140,602.20x = 194,032.17 × 76,940.52
  4. Step 4: Simplify right side
    140,602.20x = 14,928,936,056.53
  5. Step 5: Solve for x
    x = 14,928,936,056.53/140,602.20
  6. Step 6: Final answer
    x = 106,178.54

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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.