Home / 139,187.54-208,744.05-39,324.26

Finding the Fourth Proportional to 139,187.54, 208,744.05 and 39,324.26

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Solution

The fourth proportional to 139,187.54, 208,744.05 and 39,324.26 is: 58,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,187.54 : 208,744.05 = 39,324.26 : x
  2. Step 2: Convert to fraction form
    139,187.54/208,744.05 = 39,324.26/x
  3. Step 3: Cross multiply
    139,187.54x = 208,744.05 × 39,324.26
  4. Step 4: Simplify right side
    139,187.54x = 8,208,705,295.65
  5. Step 5: Solve for x
    x = 8,208,705,295.65/139,187.54
  6. Step 6: Final answer
    x = 58,975.86

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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.