Home / 144,346.30-199,189.83-79,811.81

Finding the Fourth Proportional to 144,346.30, 199,189.83 and 79,811.81

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Solution

The fourth proportional to 144,346.30, 199,189.83 and 79,811.81 is: 110,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,346.30 : 199,189.83 = 79,811.81 : x
  2. Step 2: Convert to fraction form
    144,346.30/199,189.83 = 79,811.81/x
  3. Step 3: Cross multiply
    144,346.30x = 199,189.83 × 79,811.81
  4. Step 4: Simplify right side
    144,346.30x = 15,897,700,355.98
  5. Step 5: Solve for x
    x = 15,897,700,355.98/144,346.30
  6. Step 6: Final answer
    x = 110,135.83

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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.