Home / 144,052.72-198,811.56-80,403.73

Finding the Fourth Proportional to 144,052.72, 198,811.56 and 80,403.73

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Solution

The fourth proportional to 144,052.72, 198,811.56 and 80,403.73 is: 110,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.72 : 198,811.56 = 80,403.73 : x
  2. Step 2: Convert to fraction form
    144,052.72/198,811.56 = 80,403.73/x
  3. Step 3: Cross multiply
    144,052.72x = 198,811.56 × 80,403.73
  4. Step 4: Simplify right side
    144,052.72x = 15,985,190,494.09
  5. Step 5: Solve for x
    x = 15,985,190,494.09/144,052.72
  6. Step 6: Final answer
    x = 110,967.64

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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.