Home / 185,162.15-255,523.52-100,279.55

Finding the Fourth Proportional to 185,162.15, 255,523.52 and 100,279.55

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Solution

The fourth proportional to 185,162.15, 255,523.52 and 100,279.55 is: 138,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,162.15 : 255,523.52 = 100,279.55 : x
  2. Step 2: Convert to fraction form
    185,162.15/255,523.52 = 100,279.55/x
  3. Step 3: Cross multiply
    185,162.15x = 255,523.52 × 100,279.55
  4. Step 4: Simplify right side
    185,162.15x = 25,623,782,573.10
  5. Step 5: Solve for x
    x = 25,623,782,573.10/185,162.15
  6. Step 6: Final answer
    x = 138,385.64

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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.