Home / 102,212.20-141,049.38-57,491.56

Finding the Fourth Proportional to 102,212.20, 141,049.38 and 57,491.56

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Solution

The fourth proportional to 102,212.20, 141,049.38 and 57,491.56 is: 79,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.20 : 141,049.38 = 57,491.56 : x
  2. Step 2: Convert to fraction form
    102,212.20/141,049.38 = 57,491.56/x
  3. Step 3: Cross multiply
    102,212.20x = 141,049.38 × 57,491.56
  4. Step 4: Simplify right side
    102,212.20x = 8,109,148,893.23
  5. Step 5: Solve for x
    x = 8,109,148,893.23/102,212.20
  6. Step 6: Final answer
    x = 79,336.41

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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.