Home / 151,151.78-226,778.94-66,900.35

Finding the Fourth Proportional to 151,151.78, 226,778.94 and 66,900.35

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Solution

The fourth proportional to 151,151.78, 226,778.94 and 66,900.35 is: 100,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,151.78 : 226,778.94 = 66,900.35 : x
  2. Step 2: Convert to fraction form
    151,151.78/226,778.94 = 66,900.35/x
  3. Step 3: Cross multiply
    151,151.78x = 226,778.94 × 66,900.35
  4. Step 4: Simplify right side
    151,151.78x = 15,171,591,025.58
  5. Step 5: Solve for x
    x = 15,171,591,025.58/151,151.78
  6. Step 6: Final answer
    x = 100,373.22

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1.5x scale

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.