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Finding the Fourth Proportional to 100,041.54, 150,006.92 and 40,918.73

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Solution

The fourth proportional to 100,041.54, 150,006.92 and 40,918.73 is: 61,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,041.54 : 150,006.92 = 40,918.73 : x
  2. Step 2: Convert to fraction form
    100,041.54/150,006.92 = 40,918.73/x
  3. Step 3: Cross multiply
    100,041.54x = 150,006.92 × 40,918.73
  4. Step 4: Simplify right side
    100,041.54x = 6,138,092,453.02
  5. Step 5: Solve for x
    x = 6,138,092,453.02/100,041.54
  6. Step 6: Final answer
    x = 61,355.44

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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.