Home / 140,724.33-194,199.31-76,193.55

Finding the Fourth Proportional to 140,724.33, 194,199.31 and 76,193.55

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Solution

The fourth proportional to 140,724.33, 194,199.31 and 76,193.55 is: 105,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,724.33 : 194,199.31 = 76,193.55 : x
  2. Step 2: Convert to fraction form
    140,724.33/194,199.31 = 76,193.55/x
  3. Step 3: Cross multiply
    140,724.33x = 194,199.31 × 76,193.55
  4. Step 4: Simplify right side
    140,724.33x = 14,796,734,931.69
  5. Step 5: Solve for x
    x = 14,796,734,931.69/140,724.33
  6. Step 6: Final answer
    x = 105,146.96

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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.