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Finding the Fourth Proportional to 100,140.99, 150,216.09 and 55,734.29

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Solution

The fourth proportional to 100,140.99, 150,216.09 and 55,734.29 is: 83,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,140.99 : 150,216.09 = 55,734.29 : x
  2. Step 2: Convert to fraction form
    100,140.99/150,216.09 = 55,734.29/x
  3. Step 3: Cross multiply
    100,140.99x = 150,216.09 × 55,734.29
  4. Step 4: Simplify right side
    100,140.99x = 8,372,187,122.73
  5. Step 5: Solve for x
    x = 8,372,187,122.73/100,140.99
  6. Step 6: Final answer
    x = 83,604.00

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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.