Home / 185,069.90-255,397.26-100,186.96

Finding the Fourth Proportional to 185,069.90, 255,397.26 and 100,186.96

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Solution

The fourth proportional to 185,069.90, 255,397.26 and 100,186.96 is: 138,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,069.90 : 255,397.26 = 100,186.96 : x
  2. Step 2: Convert to fraction form
    185,069.90/255,397.26 = 100,186.96/x
  3. Step 3: Cross multiply
    185,069.90x = 255,397.26 × 100,186.96
  4. Step 4: Simplify right side
    185,069.90x = 25,587,475,071.73
  5. Step 5: Solve for x
    x = 25,587,475,071.73/185,069.90
  6. Step 6: Final answer
    x = 138,258.44

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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.