Home / 133,035.70-199,553.55-83,172.10

Finding the Fourth Proportional to 133,035.70, 199,553.55 and 83,172.10

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Solution

The fourth proportional to 133,035.70, 199,553.55 and 83,172.10 is: 124,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.70 : 199,553.55 = 83,172.10 : x
  2. Step 2: Convert to fraction form
    133,035.70/199,553.55 = 83,172.10/x
  3. Step 3: Cross multiply
    133,035.70x = 199,553.55 × 83,172.10
  4. Step 4: Simplify right side
    133,035.70x = 16,597,287,815.96
  5. Step 5: Solve for x
    x = 16,597,287,815.96/133,035.70
  6. Step 6: Final answer
    x = 124,758.15

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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.