Home / 185,004.58-255,306.27-100,121.62

Finding the Fourth Proportional to 185,004.58, 255,306.27 and 100,121.62

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Solution

The fourth proportional to 185,004.58, 255,306.27 and 100,121.62 is: 138,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,004.58 : 255,306.27 = 100,121.62 : x
  2. Step 2: Convert to fraction form
    185,004.58/255,306.27 = 100,121.62/x
  3. Step 3: Cross multiply
    185,004.58x = 255,306.27 × 100,121.62
  4. Step 4: Simplify right side
    185,004.58x = 25,561,677,348.56
  5. Step 5: Solve for x
    x = 25,561,677,348.56/185,004.58
  6. Step 6: Final answer
    x = 138,167.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.