Home / 136,433.25-188,290.62-79,844.67

Finding the Fourth Proportional to 136,433.25, 188,290.62 and 79,844.67

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Solution

The fourth proportional to 136,433.25, 188,290.62 and 79,844.67 is: 110,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,433.25 : 188,290.62 = 79,844.67 : x
  2. Step 2: Convert to fraction form
    136,433.25/188,290.62 = 79,844.67/x
  3. Step 3: Cross multiply
    136,433.25x = 188,290.62 × 79,844.67
  4. Step 4: Simplify right side
    136,433.25x = 15,034,002,418.00
  5. Step 5: Solve for x
    x = 15,034,002,418.00/136,433.25
  6. Step 6: Final answer
    x = 110,193.10

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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.