Home / 149,204.53-205,902.27-81,222.00

Finding the Fourth Proportional to 149,204.53, 205,902.27 and 81,222.00

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Solution

The fourth proportional to 149,204.53, 205,902.27 and 81,222.00 is: 112,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,204.53 : 205,902.27 = 81,222.00 : x
  2. Step 2: Convert to fraction form
    149,204.53/205,902.27 = 81,222.00/x
  3. Step 3: Cross multiply
    149,204.53x = 205,902.27 × 81,222.00
  4. Step 4: Simplify right side
    149,204.53x = 16,723,794,506.90
  5. Step 5: Solve for x
    x = 16,723,794,506.90/149,204.53
  6. Step 6: Final answer
    x = 112,086.37

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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.