Home / 141,998.23-195,957.54-78,336.02

Finding the Fourth Proportional to 141,998.23, 195,957.54 and 78,336.02

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Solution

The fourth proportional to 141,998.23, 195,957.54 and 78,336.02 is: 108,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,998.23 : 195,957.54 = 78,336.02 : x
  2. Step 2: Convert to fraction form
    141,998.23/195,957.54 = 78,336.02/x
  3. Step 3: Cross multiply
    141,998.23x = 195,957.54 × 78,336.02
  4. Step 4: Simplify right side
    141,998.23x = 15,350,534,648.21
  5. Step 5: Solve for x
    x = 15,350,534,648.21/141,998.23
  6. Step 6: Final answer
    x = 108,103.71

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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.