Home / 201,905.30-278,610.26-119,106.36

Finding the Fourth Proportional to 201,905.30, 278,610.26 and 119,106.36

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Solution

The fourth proportional to 201,905.30, 278,610.26 and 119,106.36 is: 164,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,905.30 : 278,610.26 = 119,106.36 : x
  2. Step 2: Convert to fraction form
    201,905.30/278,610.26 = 119,106.36/x
  3. Step 3: Cross multiply
    201,905.30x = 278,610.26 × 119,106.36
  4. Step 4: Simplify right side
    201,905.30x = 33,184,253,331.72
  5. Step 5: Solve for x
    x = 33,184,253,331.72/201,905.30
  6. Step 6: Final answer
    x = 164,355.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.