Home / 133,861.05-200,888.69-107,879.49

Finding the Fourth Proportional to 133,861.05, 200,888.69 and 107,879.49

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Solution

The fourth proportional to 133,861.05, 200,888.69 and 107,879.49 is: 161,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,861.05 : 200,888.69 = 107,879.49 : x
  2. Step 2: Convert to fraction form
    133,861.05/200,888.69 = 107,879.49/x
  3. Step 3: Cross multiply
    133,861.05x = 200,888.69 × 107,879.49
  4. Step 4: Simplify right side
    133,861.05x = 21,671,768,884.57
  5. Step 5: Solve for x
    x = 21,671,768,884.57/133,861.05
  6. Step 6: Final answer
    x = 161,897.50

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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.