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Finding the Fourth Proportional to 122,941.92, 184,328.64 and 44,054.40

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Solution

The fourth proportional to 122,941.92, 184,328.64 and 44,054.40 is: 66,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,941.92 : 184,328.64 = 44,054.40 : x
  2. Step 2: Convert to fraction form
    122,941.92/184,328.64 = 44,054.40/x
  3. Step 3: Cross multiply
    122,941.92x = 184,328.64 × 44,054.40
  4. Step 4: Simplify right side
    122,941.92x = 8,120,487,638.02
  5. Step 5: Solve for x
    x = 8,120,487,638.02/122,941.92
  6. Step 6: Final answer
    x = 66,051.41

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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.