Home / 139,202.04-192,099.32-75,539.82

Finding the Fourth Proportional to 139,202.04, 192,099.32 and 75,539.82

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Solution

The fourth proportional to 139,202.04, 192,099.32 and 75,539.82 is: 104,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,202.04 : 192,099.32 = 75,539.82 : x
  2. Step 2: Convert to fraction form
    139,202.04/192,099.32 = 75,539.82/x
  3. Step 3: Cross multiply
    139,202.04x = 192,099.32 × 75,539.82
  4. Step 4: Simplify right side
    139,202.04x = 14,511,147,677.22
  5. Step 5: Solve for x
    x = 14,511,147,677.22/139,202.04
  6. Step 6: Final answer
    x = 104,245.22

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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.