Home / 139,757.45-192,863.35-76,095.25

Finding the Fourth Proportional to 139,757.45, 192,863.35 and 76,095.25

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Solution

The fourth proportional to 139,757.45, 192,863.35 and 76,095.25 is: 105,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,757.45 : 192,863.35 = 76,095.25 : x
  2. Step 2: Convert to fraction form
    139,757.45/192,863.35 = 76,095.25/x
  3. Step 3: Cross multiply
    139,757.45x = 192,863.35 × 76,095.25
  4. Step 4: Simplify right side
    139,757.45x = 14,675,984,834.09
  5. Step 5: Solve for x
    x = 14,675,984,834.09/139,757.45
  6. Step 6: Final answer
    x = 105,010.39

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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.