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Finding the Fourth Proportional to 100,518.68, 150,754.99 and 60,003.64

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Solution

The fourth proportional to 100,518.68, 150,754.99 and 60,003.64 is: 89,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,518.68 : 150,754.99 = 60,003.64 : x
  2. Step 2: Convert to fraction form
    100,518.68/150,754.99 = 60,003.64/x
  3. Step 3: Cross multiply
    100,518.68x = 150,754.99 × 60,003.64
  4. Step 4: Simplify right side
    100,518.68x = 9,045,848,148.16
  5. Step 5: Solve for x
    x = 9,045,848,148.16/100,518.68
  6. Step 6: Final answer
    x = 89,991.71

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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.