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Finding the Fourth Proportional to 150,190.99, 225,037.69 and 105,599.88

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Solution

The fourth proportional to 150,190.99, 225,037.69 and 105,599.88 is: 158,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,190.99 : 225,037.69 = 105,599.88 : x
  2. Step 2: Convert to fraction form
    150,190.99/225,037.69 = 105,599.88/x
  3. Step 3: Cross multiply
    150,190.99x = 225,037.69 × 105,599.88
  4. Step 4: Simplify right side
    150,190.99x = 23,763,952,795.48
  5. Step 5: Solve for x
    x = 23,763,952,795.48/150,190.99
  6. Step 6: Final answer
    x = 158,224.89

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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.