Home / 140,367.62-193,741.82-117,670.66

Finding the Fourth Proportional to 140,367.62, 193,741.82 and 117,670.66

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Solution

The fourth proportional to 140,367.62, 193,741.82 and 117,670.66 is: 162,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,367.62 : 193,741.82 = 117,670.66 : x
  2. Step 2: Convert to fraction form
    140,367.62/193,741.82 = 117,670.66/x
  3. Step 3: Cross multiply
    140,367.62x = 193,741.82 × 117,670.66
  4. Step 4: Simplify right side
    140,367.62x = 22,797,727,829.00
  5. Step 5: Solve for x
    x = 22,797,727,829.00/140,367.62
  6. Step 6: Final answer
    x = 162,414.44

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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.