Home / 139,822.20-192,953.34-76,159.44

Finding the Fourth Proportional to 139,822.20, 192,953.34 and 76,159.44

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Solution

The fourth proportional to 139,822.20, 192,953.34 and 76,159.44 is: 105,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,822.20 : 192,953.34 = 76,159.44 : x
  2. Step 2: Convert to fraction form
    139,822.20/192,953.34 = 76,159.44/x
  3. Step 3: Cross multiply
    139,822.20x = 192,953.34 × 76,159.44
  4. Step 4: Simplify right side
    139,822.20x = 14,695,218,320.53
  5. Step 5: Solve for x
    x = 14,695,218,320.53/139,822.20
  6. Step 6: Final answer
    x = 105,099.32

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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.