Home / 140,396.02-193,724.11-79,967.84

Finding the Fourth Proportional to 140,396.02, 193,724.11 and 79,967.84

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Solution

The fourth proportional to 140,396.02, 193,724.11 and 79,967.84 is: 110,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,396.02 : 193,724.11 = 79,967.84 : x
  2. Step 2: Convert to fraction form
    140,396.02/193,724.11 = 79,967.84/x
  3. Step 3: Cross multiply
    140,396.02x = 193,724.11 × 79,967.84
  4. Step 4: Simplify right side
    140,396.02x = 15,491,698,403.84
  5. Step 5: Solve for x
    x = 15,491,698,403.84/140,396.02
  6. Step 6: Final answer
    x = 110,342.86

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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.