Home / 145,165.44-217,696.32-50,371.20

Finding the Fourth Proportional to 145,165.44, 217,696.32 and 50,371.20

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Solution

The fourth proportional to 145,165.44, 217,696.32 and 50,371.20 is: 75,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165.44 : 217,696.32 = 50,371.20 : x
  2. Step 2: Convert to fraction form
    145,165.44/217,696.32 = 50,371.20/x
  3. Step 3: Cross multiply
    145,165.44x = 217,696.32 × 50,371.20
  4. Step 4: Simplify right side
    145,165.44x = 10,965,624,873.98
  5. Step 5: Solve for x
    x = 10,965,624,873.98/145,165.44
  6. Step 6: Final answer
    x = 75,538.81

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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.