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Finding the Fourth Proportional to 133,343.70, 200,015.55 and 83,480.10

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Solution

The fourth proportional to 133,343.70, 200,015.55 and 83,480.10 is: 125,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,343.70 : 200,015.55 = 83,480.10 : x
  2. Step 2: Convert to fraction form
    133,343.70/200,015.55 = 83,480.10/x
  3. Step 3: Cross multiply
    133,343.70x = 200,015.55 × 83,480.10
  4. Step 4: Simplify right side
    133,343.70x = 16,697,318,115.56
  5. Step 5: Solve for x
    x = 16,697,318,115.56/133,343.70
  6. Step 6: Final answer
    x = 125,220.15

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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.