Home / 100,288.76-150,394.26-53,516.12

Finding the Fourth Proportional to 100,288.76, 150,394.26 and 53,516.12

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Solution

The fourth proportional to 100,288.76, 150,394.26 and 53,516.12 is: 80,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,288.76 : 150,394.26 = 53,516.12 : x
  2. Step 2: Convert to fraction form
    100,288.76/150,394.26 = 53,516.12/x
  3. Step 3: Cross multiply
    100,288.76x = 150,394.26 × 53,516.12
  4. Step 4: Simplify right side
    100,288.76x = 8,048,517,265.47
  5. Step 5: Solve for x
    x = 8,048,517,265.47/100,288.76
  6. Step 6: Final answer
    x = 80,253.43

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1.5x scale

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.