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Finding the Fourth Proportional to 122,323.96, 183,486.12 and 33,578.56

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Solution

The fourth proportional to 122,323.96, 183,486.12 and 33,578.56 is: 50,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.96 : 183,486.12 = 33,578.56 : x
  2. Step 2: Convert to fraction form
    122,323.96/183,486.12 = 33,578.56/x
  3. Step 3: Cross multiply
    122,323.96x = 183,486.12 × 33,578.56
  4. Step 4: Simplify right side
    122,323.96x = 6,161,199,689.59
  5. Step 5: Solve for x
    x = 6,161,199,689.59/122,323.96
  6. Step 6: Final answer
    x = 50,367.89

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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.