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Finding the Fourth Proportional to 122,715.93, 184,053.39 and 33,978.41

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Solution

The fourth proportional to 122,715.93, 184,053.39 and 33,978.41 is: 50,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,715.93 : 184,053.39 = 33,978.41 : x
  2. Step 2: Convert to fraction form
    122,715.93/184,053.39 = 33,978.41/x
  3. Step 3: Cross multiply
    122,715.93x = 184,053.39 × 33,978.41
  4. Step 4: Simplify right side
    122,715.93x = 6,253,840,627.04
  5. Step 5: Solve for x
    x = 6,253,840,627.04/122,715.93
  6. Step 6: Final answer
    x = 50,961.93

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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.