Home / 135,500.78-203,169.08-60,606.96

Finding the Fourth Proportional to 135,500.78, 203,169.08 and 60,606.96

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Solution

The fourth proportional to 135,500.78, 203,169.08 and 60,606.96 is: 90,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,500.78 : 203,169.08 = 60,606.96 : x
  2. Step 2: Convert to fraction form
    135,500.78/203,169.08 = 60,606.96/x
  3. Step 3: Cross multiply
    135,500.78x = 203,169.08 × 60,606.96
  4. Step 4: Simplify right side
    135,500.78x = 12,313,460,001.76
  5. Step 5: Solve for x
    x = 12,313,460,001.76/135,500.78
  6. Step 6: Final answer
    x = 90,873.72

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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.