Home / 139,348.38-192,317.13-82,759.74

Finding the Fourth Proportional to 139,348.38, 192,317.13 and 82,759.74

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Solution

The fourth proportional to 139,348.38, 192,317.13 and 82,759.74 is: 114,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,348.38 : 192,317.13 = 82,759.74 : x
  2. Step 2: Convert to fraction form
    139,348.38/192,317.13 = 82,759.74/x
  3. Step 3: Cross multiply
    139,348.38x = 192,317.13 × 82,759.74
  4. Step 4: Simplify right side
    139,348.38x = 15,916,115,676.35
  5. Step 5: Solve for x
    x = 15,916,115,676.35/139,348.38
  6. Step 6: Final answer
    x = 114,218.16

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1.5x scale

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.