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Finding the Fourth Proportional to 100,133.55, 150,255.68 and 41,010.71

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Solution

The fourth proportional to 100,133.55, 150,255.68 and 41,010.71 is: 61,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,133.55 : 150,255.68 = 41,010.71 : x
  2. Step 2: Convert to fraction form
    100,133.55/150,255.68 = 41,010.71/x
  3. Step 3: Cross multiply
    100,133.55x = 150,255.68 × 41,010.71
  4. Step 4: Simplify right side
    100,133.55x = 6,162,091,162.00
  5. Step 5: Solve for x
    x = 6,162,091,162.00/100,133.55
  6. Step 6: Final answer
    x = 61,538.73

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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.