Home / 147,252.96-203,214-80,187.36

Finding the Fourth Proportional to 147,252.96, 203,214 and 80,187.36

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Solution

The fourth proportional to 147,252.96, 203,214 and 80,187.36 is: 110,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,252.96 : 203,214 = 80,187.36 : x
  2. Step 2: Convert to fraction form
    147,252.96/203,214 = 80,187.36/x
  3. Step 3: Cross multiply
    147,252.96x = 203,214 × 80,187.36
  4. Step 4: Simplify right side
    147,252.96x = 16,295,194,175.04
  5. Step 5: Solve for x
    x = 16,295,194,175.04/147,252.96
  6. Step 6: Final answer
    x = 110,661.23

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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.