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Finding the Fourth Proportional to 151,149.55, 226,943.03 and 113,970.55

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Solution

The fourth proportional to 151,149.55, 226,943.03 and 113,970.55 is: 171,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,149.55 : 226,943.03 = 113,970.55 : x
  2. Step 2: Convert to fraction form
    151,149.55/226,943.03 = 113,970.55/x
  3. Step 3: Cross multiply
    151,149.55x = 226,943.03 × 113,970.55
  4. Step 4: Simplify right side
    151,149.55x = 25,864,821,377.91
  5. Step 5: Solve for x
    x = 25,864,821,377.91/151,149.55
  6. Step 6: Final answer
    x = 171,120.73

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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.