Home / 123,084.20-184,626.30-69,940.10

Finding the Fourth Proportional to 123,084.20, 184,626.30 and 69,940.10

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Solution

The fourth proportional to 123,084.20, 184,626.30 and 69,940.10 is: 104,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,084.20 : 184,626.30 = 69,940.10 : x
  2. Step 2: Convert to fraction form
    123,084.20/184,626.30 = 69,940.10/x
  3. Step 3: Cross multiply
    123,084.20x = 184,626.30 × 69,940.10
  4. Step 4: Simplify right side
    123,084.20x = 12,912,781,884.63
  5. Step 5: Solve for x
    x = 12,912,781,884.63/123,084.20
  6. Step 6: Final answer
    x = 104,910.15

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1.5x scale

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.