Home / 179,113.44-268,659.36-66,771.84

Finding the Fourth Proportional to 179,113.44, 268,659.36 and 66,771.84

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Solution

The fourth proportional to 179,113.44, 268,659.36 and 66,771.84 is: 100,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,113.44 : 268,659.36 = 66,771.84 : x
  2. Step 2: Convert to fraction form
    179,113.44/268,659.36 = 66,771.84/x
  3. Step 3: Cross multiply
    179,113.44x = 268,659.36 × 66,771.84
  4. Step 4: Simplify right side
    179,113.44x = 17,938,879,800.42
  5. Step 5: Solve for x
    x = 17,938,879,800.42/179,113.44
  6. Step 6: Final answer
    x = 100,153.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.