Home / 168,106.60-231,999.78-96,509.80

Finding the Fourth Proportional to 168,106.60, 231,999.78 and 96,509.80

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Solution

The fourth proportional to 168,106.60, 231,999.78 and 96,509.80 is: 133,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,106.60 : 231,999.78 = 96,509.80 : x
  2. Step 2: Convert to fraction form
    168,106.60/231,999.78 = 96,509.80/x
  3. Step 3: Cross multiply
    168,106.60x = 231,999.78 × 96,509.80
  4. Step 4: Simplify right side
    168,106.60x = 22,390,252,367.84
  5. Step 5: Solve for x
    x = 22,390,252,367.84/168,106.60
  6. Step 6: Final answer
    x = 133,190.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.