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Finding the Fourth Proportional to 122,951.20, 184,167.60 and 122,951.20

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Solution

The fourth proportional to 122,951.20, 184,167.60 and 122,951.20 is: 184,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951.20 : 184,167.60 = 122,951.20 : x
  2. Step 2: Convert to fraction form
    122,951.20/184,167.60 = 122,951.20/x
  3. Step 3: Cross multiply
    122,951.20x = 184,167.60 × 122,951.20
  4. Step 4: Simplify right side
    122,951.20x = 22,643,627,421.12
  5. Step 5: Solve for x
    x = 22,643,627,421.12/122,951.20
  6. Step 6: Final answer
    x = 184,167.60

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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.