Home / 192,769.59-265,990.30-121,098.86

Finding the Fourth Proportional to 192,769.59, 265,990.30 and 121,098.86

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Solution

The fourth proportional to 192,769.59, 265,990.30 and 121,098.86 is: 167,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,769.59 : 265,990.30 = 121,098.86 : x
  2. Step 2: Convert to fraction form
    192,769.59/265,990.30 = 121,098.86/x
  3. Step 3: Cross multiply
    192,769.59x = 265,990.30 × 121,098.86
  4. Step 4: Simplify right side
    192,769.59x = 32,211,120,468.36
  5. Step 5: Solve for x
    x = 32,211,120,468.36/192,769.59
  6. Step 6: Final answer
    x = 167,096.48

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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.