Home / 115,777.66-173,664.60-36,890.82

Finding the Fourth Proportional to 115,777.66, 173,664.60 and 36,890.82

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Solution

The fourth proportional to 115,777.66, 173,664.60 and 36,890.82 is: 55,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,777.66 : 173,664.60 = 36,890.82 : x
  2. Step 2: Convert to fraction form
    115,777.66/173,664.60 = 36,890.82/x
  3. Step 3: Cross multiply
    115,777.66x = 173,664.60 × 36,890.82
  4. Step 4: Simplify right side
    115,777.66x = 6,406,629,498.97
  5. Step 5: Solve for x
    x = 6,406,629,498.97/115,777.66
  6. Step 6: Final answer
    x = 55,335.63

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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.