Home / 147,450.36-203,481.60-80,382.36

Finding the Fourth Proportional to 147,450.36, 203,481.60 and 80,382.36

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Solution

The fourth proportional to 147,450.36, 203,481.60 and 80,382.36 is: 110,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,450.36 : 203,481.60 = 80,382.36 : x
  2. Step 2: Convert to fraction form
    147,450.36/203,481.60 = 80,382.36/x
  3. Step 3: Cross multiply
    147,450.36x = 203,481.60 × 80,382.36
  4. Step 4: Simplify right side
    147,450.36x = 16,356,331,224.58
  5. Step 5: Solve for x
    x = 16,356,331,224.58/147,450.36
  6. Step 6: Final answer
    x = 110,927.71

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1.5x scale

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.