Home / 135,917.22-203,956.02-51,748.24

Finding the Fourth Proportional to 135,917.22, 203,956.02 and 51,748.24

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Solution

The fourth proportional to 135,917.22, 203,956.02 and 51,748.24 is: 77,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,917.22 : 203,956.02 = 51,748.24 : x
  2. Step 2: Convert to fraction form
    135,917.22/203,956.02 = 51,748.24/x
  3. Step 3: Cross multiply
    135,917.22x = 203,956.02 × 51,748.24
  4. Step 4: Simplify right side
    135,917.22x = 10,554,365,072.40
  5. Step 5: Solve for x
    x = 10,554,365,072.40/135,917.22
  6. Step 6: Final answer
    x = 77,652.89

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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.