Home / 149,379.56-206,005.32-109,029.41

Finding the Fourth Proportional to 149,379.56, 206,005.32 and 109,029.41

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Solution

The fourth proportional to 149,379.56, 206,005.32 and 109,029.41 is: 150,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,379.56 : 206,005.32 = 109,029.41 : x
  2. Step 2: Convert to fraction form
    149,379.56/206,005.32 = 109,029.41/x
  3. Step 3: Cross multiply
    149,379.56x = 206,005.32 × 109,029.41
  4. Step 4: Simplify right side
    149,379.56x = 22,460,638,496.46
  5. Step 5: Solve for x
    x = 22,460,638,496.46/149,379.56
  6. Step 6: Final answer
    x = 150,359.52

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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.