Home / 151,138-226,716.36-45,964.72

Finding the Fourth Proportional to 151,138, 226,716.36 and 45,964.72

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Solution

The fourth proportional to 151,138, 226,716.36 and 45,964.72 is: 68,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,138 : 226,716.36 = 45,964.72 : x
  2. Step 2: Convert to fraction form
    151,138/226,716.36 = 45,964.72/x
  3. Step 3: Cross multiply
    151,138x = 226,716.36 × 45,964.72
  4. Step 4: Simplify right side
    151,138x = 10,420,954,006.82
  5. Step 5: Solve for x
    x = 10,420,954,006.82/151,138
  6. Step 6: Final answer
    x = 68,949.93

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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.