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Finding the Fourth Proportional to 150,107.15, 225,188.01 and 71,220.64

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Solution

The fourth proportional to 150,107.15, 225,188.01 and 71,220.64 is: 106,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,107.15 : 225,188.01 = 71,220.64 : x
  2. Step 2: Convert to fraction form
    150,107.15/225,188.01 = 71,220.64/x
  3. Step 3: Cross multiply
    150,107.15x = 225,188.01 × 71,220.64
  4. Step 4: Simplify right side
    150,107.15x = 16,038,034,192.53
  5. Step 5: Solve for x
    x = 16,038,034,192.53/150,107.15
  6. Step 6: Final answer
    x = 106,843.91

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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.