Home / 122,856.75-184,199.61-54,431.16

Finding the Fourth Proportional to 122,856.75, 184,199.61 and 54,431.16

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Solution

The fourth proportional to 122,856.75, 184,199.61 and 54,431.16 is: 81,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,856.75 : 184,199.61 = 54,431.16 : x
  2. Step 2: Convert to fraction form
    122,856.75/184,199.61 = 54,431.16/x
  3. Step 3: Cross multiply
    122,856.75x = 184,199.61 × 54,431.16
  4. Step 4: Simplify right side
    122,856.75x = 10,026,198,443.85
  5. Step 5: Solve for x
    x = 10,026,198,443.85/122,856.75
  6. Step 6: Final answer
    x = 81,608.85

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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.