Home / 139,976.05-209,963.81-34,795.12

Finding the Fourth Proportional to 139,976.05, 209,963.81 and 34,795.12

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Solution

The fourth proportional to 139,976.05, 209,963.81 and 34,795.12 is: 52,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,976.05 : 209,963.81 = 34,795.12 : x
  2. Step 2: Convert to fraction form
    139,976.05/209,963.81 = 34,795.12/x
  3. Step 3: Cross multiply
    139,976.05x = 209,963.81 × 34,795.12
  4. Step 4: Simplify right side
    139,976.05x = 7,305,715,790.63
  5. Step 5: Solve for x
    x = 7,305,715,790.63/139,976.05
  6. Step 6: Final answer
    x = 52,192.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.