Home / 144,591.96-199,539.36-79,186.56

Finding the Fourth Proportional to 144,591.96, 199,539.36 and 79,186.56

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Solution

The fourth proportional to 144,591.96, 199,539.36 and 79,186.56 is: 109,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591.96 : 199,539.36 = 79,186.56 : x
  2. Step 2: Convert to fraction form
    144,591.96/199,539.36 = 79,186.56/x
  3. Step 3: Cross multiply
    144,591.96x = 199,539.36 × 79,186.56
  4. Step 4: Simplify right side
    144,591.96x = 15,800,835,503.00
  5. Step 5: Solve for x
    x = 15,800,835,503.00/144,591.96
  6. Step 6: Final answer
    x = 109,278.80

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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.