Home / 135,938.70-203,741.46-61,039.62

Finding the Fourth Proportional to 135,938.70, 203,741.46 and 61,039.62

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Solution

The fourth proportional to 135,938.70, 203,741.46 and 61,039.62 is: 91,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,938.70 : 203,741.46 = 61,039.62 : x
  2. Step 2: Convert to fraction form
    135,938.70/203,741.46 = 61,039.62/x
  3. Step 3: Cross multiply
    135,938.70x = 203,741.46 × 61,039.62
  4. Step 4: Simplify right side
    135,938.70x = 12,436,301,296.65
  5. Step 5: Solve for x
    x = 12,436,301,296.65/135,938.70
  6. Step 6: Final answer
    x = 91,484.63

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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.