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Finding the Fourth Proportional to 149,997, 224,884.44 and 90,818.76

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Solution

The fourth proportional to 149,997, 224,884.44 and 90,818.76 is: 136,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,997 : 224,884.44 = 90,818.76 : x
  2. Step 2: Convert to fraction form
    149,997/224,884.44 = 90,818.76/x
  3. Step 3: Cross multiply
    149,997x = 224,884.44 × 90,818.76
  4. Step 4: Simplify right side
    149,997x = 20,423,725,984.09
  5. Step 5: Solve for x
    x = 20,423,725,984.09/149,997
  6. Step 6: Final answer
    x = 136,160.90

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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.