Home / 139,348.20-192,298.44-75,685.44

Finding the Fourth Proportional to 139,348.20, 192,298.44 and 75,685.44

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Solution

The fourth proportional to 139,348.20, 192,298.44 and 75,685.44 is: 104,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,348.20 : 192,298.44 = 75,685.44 : x
  2. Step 2: Convert to fraction form
    139,348.20/192,298.44 = 75,685.44/x
  3. Step 3: Cross multiply
    139,348.20x = 192,298.44 × 75,685.44
  4. Step 4: Simplify right side
    139,348.20x = 14,554,192,042.71
  5. Step 5: Solve for x
    x = 14,554,192,042.71/139,348.20
  6. Step 6: Final answer
    x = 104,444.78

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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.