Home / 135,196.27-202,842.60-60,309.70

Finding the Fourth Proportional to 135,196.27, 202,842.60 and 60,309.70

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Solution

The fourth proportional to 135,196.27, 202,842.60 and 60,309.70 is: 90,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,196.27 : 202,842.60 = 60,309.70 : x
  2. Step 2: Convert to fraction form
    135,196.27/202,842.60 = 60,309.70/x
  3. Step 3: Cross multiply
    135,196.27x = 202,842.60 × 60,309.70
  4. Step 4: Simplify right side
    135,196.27x = 12,233,376,353.22
  5. Step 5: Solve for x
    x = 12,233,376,353.22/135,196.27
  6. Step 6: Final answer
    x = 90,486.05

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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.