Home / 100,298.24-150,422.64-41,150.72

Finding the Fourth Proportional to 100,298.24, 150,422.64 and 41,150.72

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Solution

The fourth proportional to 100,298.24, 150,422.64 and 41,150.72 is: 61,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,298.24 : 150,422.64 = 41,150.72 : x
  2. Step 2: Convert to fraction form
    100,298.24/150,422.64 = 41,150.72/x
  3. Step 3: Cross multiply
    100,298.24x = 150,422.64 × 41,150.72
  4. Step 4: Simplify right side
    100,298.24x = 6,189,999,940.30
  5. Step 5: Solve for x
    x = 6,189,999,940.30/100,298.24
  6. Step 6: Final answer
    x = 61,715.94

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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.