Home / 156,185.25-234,284.36-45,377.25

Finding the Fourth Proportional to 156,185.25, 234,284.36 and 45,377.25

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Solution

The fourth proportional to 156,185.25, 234,284.36 and 45,377.25 is: 68,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,185.25 : 234,284.36 = 45,377.25 : x
  2. Step 2: Convert to fraction form
    156,185.25/234,284.36 = 45,377.25/x
  3. Step 3: Cross multiply
    156,185.25x = 234,284.36 × 45,377.25
  4. Step 4: Simplify right side
    156,185.25x = 10,631,179,747.92
  5. Step 5: Solve for x
    x = 10,631,179,747.92/156,185.25
  6. Step 6: Final answer
    x = 68,067.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.