Home / 185,090.56-255,425.04-100,207.60

Finding the Fourth Proportional to 185,090.56, 255,425.04 and 100,207.60

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Solution

The fourth proportional to 185,090.56, 255,425.04 and 100,207.60 is: 138,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,090.56 : 255,425.04 = 100,207.60 : x
  2. Step 2: Convert to fraction form
    185,090.56/255,425.04 = 100,207.60/x
  3. Step 3: Cross multiply
    185,090.56x = 255,425.04 × 100,207.60
  4. Step 4: Simplify right side
    185,090.56x = 25,595,530,238.30
  5. Step 5: Solve for x
    x = 25,595,530,238.30/185,090.56
  6. Step 6: Final answer
    x = 138,286.52

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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.