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Finding the Fourth Proportional to 133,340.40, 200,010.60 and 123,202.80

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Solution

The fourth proportional to 133,340.40, 200,010.60 and 123,202.80 is: 184,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,340.40 : 200,010.60 = 123,202.80 : x
  2. Step 2: Convert to fraction form
    133,340.40/200,010.60 = 123,202.80/x
  3. Step 3: Cross multiply
    133,340.40x = 200,010.60 × 123,202.80
  4. Step 4: Simplify right side
    133,340.40x = 24,641,865,949.68
  5. Step 5: Solve for x
    x = 24,641,865,949.68/133,340.40
  6. Step 6: Final answer
    x = 184,804.20

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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.