Home / 117,172.24-161,576.76-100,232.56

Finding the Fourth Proportional to 117,172.24, 161,576.76 and 100,232.56

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Solution

The fourth proportional to 117,172.24, 161,576.76 and 100,232.56 is: 138,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,172.24 : 161,576.76 = 100,232.56 : x
  2. Step 2: Convert to fraction form
    117,172.24/161,576.76 = 100,232.56/x
  3. Step 3: Cross multiply
    117,172.24x = 161,576.76 × 100,232.56
  4. Step 4: Simplify right side
    117,172.24x = 16,195,252,869.15
  5. Step 5: Solve for x
    x = 16,195,252,869.15/117,172.24
  6. Step 6: Final answer
    x = 138,217.49

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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.