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Finding the Fourth Proportional to 185,412.58, 255,867.06 and 100,529.44

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Solution

The fourth proportional to 185,412.58, 255,867.06 and 100,529.44 is: 138,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,412.58 : 255,867.06 = 100,529.44 : x
  2. Step 2: Convert to fraction form
    185,412.58/255,867.06 = 100,529.44/x
  3. Step 3: Cross multiply
    185,412.58x = 255,867.06 × 100,529.44
  4. Step 4: Simplify right side
    185,412.58x = 25,722,172,256.25
  5. Step 5: Solve for x
    x = 25,722,172,256.25/185,412.58
  6. Step 6: Final answer
    x = 138,729.38

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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.