Home / 122,720.64-184,119.60-43,833.12

Finding the Fourth Proportional to 122,720.64, 184,119.60 and 43,833.12

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Solution

The fourth proportional to 122,720.64, 184,119.60 and 43,833.12 is: 65,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,720.64 : 184,119.60 = 43,833.12 : x
  2. Step 2: Convert to fraction form
    122,720.64/184,119.60 = 43,833.12/x
  3. Step 3: Cross multiply
    122,720.64x = 184,119.60 × 43,833.12
  4. Step 4: Simplify right side
    122,720.64x = 8,070,536,521.15
  5. Step 5: Solve for x
    x = 8,070,536,521.15/122,720.64
  6. Step 6: Final answer
    x = 65,763.48

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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.