Home / 139,194.03-192,088.29-75,531.82

Finding the Fourth Proportional to 139,194.03, 192,088.29 and 75,531.82

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Solution

The fourth proportional to 139,194.03, 192,088.29 and 75,531.82 is: 104,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,194.03 : 192,088.29 = 75,531.82 : x
  2. Step 2: Convert to fraction form
    139,194.03/192,088.29 = 75,531.82/x
  3. Step 3: Cross multiply
    139,194.03x = 192,088.29 × 75,531.82
  4. Step 4: Simplify right side
    139,194.03x = 14,508,777,766.73
  5. Step 5: Solve for x
    x = 14,508,777,766.73/139,194.03
  6. Step 6: Final answer
    x = 104,234.20

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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.