Home / 136,265.92-204,431.60-42,771.67

Finding the Fourth Proportional to 136,265.92, 204,431.60 and 42,771.67

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Solution

The fourth proportional to 136,265.92, 204,431.60 and 42,771.67 is: 64,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,265.92 : 204,431.60 = 42,771.67 : x
  2. Step 2: Convert to fraction form
    136,265.92/204,431.60 = 42,771.67/x
  3. Step 3: Cross multiply
    136,265.92x = 204,431.60 × 42,771.67
  4. Step 4: Simplify right side
    136,265.92x = 8,743,880,932.77
  5. Step 5: Solve for x
    x = 8,743,880,932.77/136,265.92
  6. Step 6: Final answer
    x = 64,167.78

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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.