Home / 149,606.84-206,395.62-104,311.64

Finding the Fourth Proportional to 149,606.84, 206,395.62 and 104,311.64

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Solution

The fourth proportional to 149,606.84, 206,395.62 and 104,311.64 is: 143,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,606.84 : 206,395.62 = 104,311.64 : x
  2. Step 2: Convert to fraction form
    149,606.84/206,395.62 = 104,311.64/x
  3. Step 3: Cross multiply
    149,606.84x = 206,395.62 × 104,311.64
  4. Step 4: Simplify right side
    149,606.84x = 21,529,465,611.02
  5. Step 5: Solve for x
    x = 21,529,465,611.02/149,606.84
  6. Step 6: Final answer
    x = 143,906.96

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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.