Home / 122,788.40-184,182.60-43,905.20

Finding the Fourth Proportional to 122,788.40, 184,182.60 and 43,905.20

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Solution

The fourth proportional to 122,788.40, 184,182.60 and 43,905.20 is: 65,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788.40 : 184,182.60 = 43,905.20 : x
  2. Step 2: Convert to fraction form
    122,788.40/184,182.60 = 43,905.20/x
  3. Step 3: Cross multiply
    122,788.40x = 184,182.60 × 43,905.20
  4. Step 4: Simplify right side
    122,788.40x = 8,086,573,889.52
  5. Step 5: Solve for x
    x = 8,086,573,889.52/122,788.40
  6. Step 6: Final answer
    x = 65,857.80

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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.