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Finding the Fourth Proportional to 100,358.37, 150,406.34 and 41,124.69

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Solution

The fourth proportional to 100,358.37, 150,406.34 and 41,124.69 is: 61,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,358.37 : 150,406.34 = 41,124.69 : x
  2. Step 2: Convert to fraction form
    100,358.37/150,406.34 = 41,124.69/x
  3. Step 3: Cross multiply
    100,358.37x = 150,406.34 × 41,124.69
  4. Step 4: Simplify right side
    100,358.37x = 6,185,413,900.91
  5. Step 5: Solve for x
    x = 6,185,413,900.91/100,358.37
  6. Step 6: Final answer
    x = 61,633.26

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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.