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Finding the Fourth Proportional to 149,898.79, 224,936.72 and 55,195.46

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Solution

The fourth proportional to 149,898.79, 224,936.72 and 55,195.46 is: 82,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,898.79 : 224,936.72 = 55,195.46 : x
  2. Step 2: Convert to fraction form
    149,898.79/224,936.72 = 55,195.46/x
  3. Step 3: Cross multiply
    149,898.79x = 224,936.72 × 55,195.46
  4. Step 4: Simplify right side
    149,898.79x = 12,415,485,731.29
  5. Step 5: Solve for x
    x = 12,415,485,731.29/149,898.79
  6. Step 6: Final answer
    x = 82,825.79

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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.