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Finding the Fourth Proportional to 169,614.39, 255,640.74 and 146,204.48

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Solution

The fourth proportional to 169,614.39, 255,640.74 and 146,204.48 is: 220,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,614.39 : 255,640.74 = 146,204.48 : x
  2. Step 2: Convert to fraction form
    169,614.39/255,640.74 = 146,204.48/x
  3. Step 3: Cross multiply
    169,614.39x = 255,640.74 × 146,204.48
  4. Step 4: Simplify right side
    169,614.39x = 37,375,821,458.52
  5. Step 5: Solve for x
    x = 37,375,821,458.52/169,614.39
  6. Step 6: Final answer
    x = 220,357.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.