Home / 231,664.16-347,260.80-91,229.60

Finding the Fourth Proportional to 231,664.16, 347,260.80 and 91,229.60

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Solution

The fourth proportional to 231,664.16, 347,260.80 and 91,229.60 is: 136,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,664.16 : 347,260.80 = 91,229.60 : x
  2. Step 2: Convert to fraction form
    231,664.16/347,260.80 = 91,229.60/x
  3. Step 3: Cross multiply
    231,664.16x = 347,260.80 × 91,229.60
  4. Step 4: Simplify right side
    231,664.16x = 31,680,463,879.68
  5. Step 5: Solve for x
    x = 31,680,463,879.68/231,664.16
  6. Step 6: Final answer
    x = 136,751.68

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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.