Home / 123,669.55-185,511.69-47,768.67

Finding the Fourth Proportional to 123,669.55, 185,511.69 and 47,768.67

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Solution

The fourth proportional to 123,669.55, 185,511.69 and 47,768.67 is: 71,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,669.55 : 185,511.69 = 47,768.67 : x
  2. Step 2: Convert to fraction form
    123,669.55/185,511.69 = 47,768.67/x
  3. Step 3: Cross multiply
    123,669.55x = 185,511.69 × 47,768.67
  4. Step 4: Simplify right side
    123,669.55x = 8,861,647,315.44
  5. Step 5: Solve for x
    x = 8,861,647,315.44/123,669.55
  6. Step 6: Final answer
    x = 71,655.85

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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.