Home / 201,622.43-278,236.75-110,976.45

Finding the Fourth Proportional to 201,622.43, 278,236.75 and 110,976.45

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Solution

The fourth proportional to 201,622.43, 278,236.75 and 110,976.45 is: 153,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,622.43 : 278,236.75 = 110,976.45 : x
  2. Step 2: Convert to fraction form
    201,622.43/278,236.75 = 110,976.45/x
  3. Step 3: Cross multiply
    201,622.43x = 278,236.75 × 110,976.45
  4. Step 4: Simplify right side
    201,622.43x = 30,877,726,774.54
  5. Step 5: Solve for x
    x = 30,877,726,774.54/201,622.43
  6. Step 6: Final answer
    x = 153,146.29

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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.