Home / 77,181.56-115,690.26-37,175.60

Finding the Fourth Proportional to 77,181.56, 115,690.26 and 37,175.60

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Solution

The fourth proportional to 77,181.56, 115,690.26 and 37,175.60 is: 55,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,181.56 : 115,690.26 = 37,175.60 : x
  2. Step 2: Convert to fraction form
    77,181.56/115,690.26 = 37,175.60/x
  3. Step 3: Cross multiply
    77,181.56x = 115,690.26 × 37,175.60
  4. Step 4: Simplify right side
    77,181.56x = 4,300,854,829.66
  5. Step 5: Solve for x
    x = 4,300,854,829.66/77,181.56
  6. Step 6: Final answer
    x = 55,723.86

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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.