Home / 139,905.27-209,919.74-73,329.48

Finding the Fourth Proportional to 139,905.27, 209,919.74 and 73,329.48

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Solution

The fourth proportional to 139,905.27, 209,919.74 and 73,329.48 is: 110,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,905.27 : 209,919.74 = 73,329.48 : x
  2. Step 2: Convert to fraction form
    139,905.27/209,919.74 = 73,329.48/x
  3. Step 3: Cross multiply
    139,905.27x = 209,919.74 × 73,329.48
  4. Step 4: Simplify right side
    139,905.27x = 15,393,305,009.29
  5. Step 5: Solve for x
    x = 15,393,305,009.29/139,905.27
  6. Step 6: Final answer
    x = 110,026.63

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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.