Home / 139,536.74-192,546.11-79,095.35

Finding the Fourth Proportional to 139,536.74, 192,546.11 and 79,095.35

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Solution

The fourth proportional to 139,536.74, 192,546.11 and 79,095.35 is: 109,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,536.74 : 192,546.11 = 79,095.35 : x
  2. Step 2: Convert to fraction form
    139,536.74/192,546.11 = 79,095.35/x
  3. Step 3: Cross multiply
    139,536.74x = 192,546.11 × 79,095.35
  4. Step 4: Simplify right side
    139,536.74x = 15,229,502,640.69
  5. Step 5: Solve for x
    x = 15,229,502,640.69/139,536.74
  6. Step 6: Final answer
    x = 109,143.31

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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.