Home / 140,621.28-194,056.98-76,958.52

Finding the Fourth Proportional to 140,621.28, 194,056.98 and 76,958.52

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Solution

The fourth proportional to 140,621.28, 194,056.98 and 76,958.52 is: 106,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,621.28 : 194,056.98 = 76,958.52 : x
  2. Step 2: Convert to fraction form
    140,621.28/194,056.98 = 76,958.52/x
  3. Step 3: Cross multiply
    140,621.28x = 194,056.98 × 76,958.52
  4. Step 4: Simplify right side
    140,621.28x = 14,934,337,976.47
  5. Step 5: Solve for x
    x = 14,934,337,976.47/140,621.28
  6. Step 6: Final answer
    x = 106,202.55

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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.