Home / 133,068.10-199,310.55-70,665.70

Finding the Fourth Proportional to 133,068.10, 199,310.55 and 70,665.70

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Solution

The fourth proportional to 133,068.10, 199,310.55 and 70,665.70 is: 105,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068.10 : 199,310.55 = 70,665.70 : x
  2. Step 2: Convert to fraction form
    133,068.10/199,310.55 = 70,665.70/x
  3. Step 3: Cross multiply
    133,068.10x = 199,310.55 × 70,665.70
  4. Step 4: Simplify right side
    133,068.10x = 14,084,419,533.14
  5. Step 5: Solve for x
    x = 14,084,419,533.14/133,068.10
  6. Step 6: Final answer
    x = 105,843.70

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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.