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Finding the Fourth Proportional to 100,081.86, 150,153.57 and 53,299.50

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Solution

The fourth proportional to 100,081.86, 150,153.57 and 53,299.50 is: 79,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,081.86 : 150,153.57 = 53,299.50 : x
  2. Step 2: Convert to fraction form
    100,081.86/150,153.57 = 53,299.50/x
  3. Step 3: Cross multiply
    100,081.86x = 150,153.57 × 53,299.50
  4. Step 4: Simplify right side
    100,081.86x = 8,003,110,204.22
  5. Step 5: Solve for x
    x = 8,003,110,204.22/100,081.86
  6. Step 6: Final answer
    x = 79,965.64

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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.