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Finding the Fourth Proportional to 123,152.74, 184,671.70 and 63,972.52

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Solution

The fourth proportional to 123,152.74, 184,671.70 and 63,972.52 is: 95,928.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,152.74 : 184,671.70 = 63,972.52 : x
  2. Step 2: Convert to fraction form
    123,152.74/184,671.70 = 63,972.52/x
  3. Step 3: Cross multiply
    123,152.74x = 184,671.70 × 63,972.52
  4. Step 4: Simplify right side
    123,152.74x = 11,813,914,021.68
  5. Step 5: Solve for x
    x = 11,813,914,021.68/123,152.74
  6. Step 6: Final answer
    x = 95,928.96

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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.