Home / 91,252.92-125,014.38-87,841.56

Finding the Fourth Proportional to 91,252.92, 125,014.38 and 87,841.56

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Solution

The fourth proportional to 91,252.92, 125,014.38 and 87,841.56 is: 120,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,252.92 : 125,014.38 = 87,841.56 : x
  2. Step 2: Convert to fraction form
    91,252.92/125,014.38 = 87,841.56/x
  3. Step 3: Cross multiply
    91,252.92x = 125,014.38 × 87,841.56
  4. Step 4: Simplify right side
    91,252.92x = 10,981,458,161.63
  5. Step 5: Solve for x
    x = 10,981,458,161.63/91,252.92
  6. Step 6: Final answer
    x = 120,340.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.