Home / 122,979.35-184,313.61-65,911.43

Finding the Fourth Proportional to 122,979.35, 184,313.61 and 65,911.43

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Solution

The fourth proportional to 122,979.35, 184,313.61 and 65,911.43 is: 98,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,979.35 : 184,313.61 = 65,911.43 : x
  2. Step 2: Convert to fraction form
    122,979.35/184,313.61 = 65,911.43/x
  3. Step 3: Cross multiply
    122,979.35x = 184,313.61 × 65,911.43
  4. Step 4: Simplify right side
    122,979.35x = 12,148,374,064.35
  5. Step 5: Solve for x
    x = 12,148,374,064.35/122,979.35
  6. Step 6: Final answer
    x = 98,783.85

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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.