Home / 140,295.30-193,559.49-79,850.81

Finding the Fourth Proportional to 140,295.30, 193,559.49 and 79,850.81

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Solution

The fourth proportional to 140,295.30, 193,559.49 and 79,850.81 is: 110,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,295.30 : 193,559.49 = 79,850.81 : x
  2. Step 2: Convert to fraction form
    140,295.30/193,559.49 = 79,850.81/x
  3. Step 3: Cross multiply
    140,295.30x = 193,559.49 × 79,850.81
  4. Step 4: Simplify right side
    140,295.30x = 15,455,881,091.89
  5. Step 5: Solve for x
    x = 15,455,881,091.89/140,295.30
  6. Step 6: Final answer
    x = 110,166.78

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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.