Home / 140,091.14-193,317.90-79,676.48

Finding the Fourth Proportional to 140,091.14, 193,317.90 and 79,676.48

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Solution

The fourth proportional to 140,091.14, 193,317.90 and 79,676.48 is: 109,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091.14 : 193,317.90 = 79,676.48 : x
  2. Step 2: Convert to fraction form
    140,091.14/193,317.90 = 79,676.48/x
  3. Step 3: Cross multiply
    140,091.14x = 193,317.90 × 79,676.48
  4. Step 4: Simplify right side
    140,091.14x = 15,402,889,792.99
  5. Step 5: Solve for x
    x = 15,402,889,792.99/140,091.14
  6. Step 6: Final answer
    x = 109,949.06

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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.