Home / 174,716.44-261,887.72-90,391.66

Finding the Fourth Proportional to 174,716.44, 261,887.72 and 90,391.66

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Solution

The fourth proportional to 174,716.44, 261,887.72 and 90,391.66 is: 135,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,716.44 : 261,887.72 = 90,391.66 : x
  2. Step 2: Convert to fraction form
    174,716.44/261,887.72 = 90,391.66/x
  3. Step 3: Cross multiply
    174,716.44x = 261,887.72 × 90,391.66
  4. Step 4: Simplify right side
    174,716.44x = 23,672,464,637.74
  5. Step 5: Solve for x
    x = 23,672,464,637.74/174,716.44
  6. Step 6: Final answer
    x = 135,490.77

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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.