Home / 201,619.43-278,232.62-110,973.45

Finding the Fourth Proportional to 201,619.43, 278,232.62 and 110,973.45

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Solution

The fourth proportional to 201,619.43, 278,232.62 and 110,973.45 is: 153,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,619.43 : 278,232.62 = 110,973.45 : x
  2. Step 2: Convert to fraction form
    201,619.43/278,232.62 = 110,973.45/x
  3. Step 3: Cross multiply
    201,619.43x = 278,232.62 × 110,973.45
  4. Step 4: Simplify right side
    201,619.43x = 30,876,433,189.07
  5. Step 5: Solve for x
    x = 30,876,433,189.07/201,619.43
  6. Step 6: Final answer
    x = 153,142.15

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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.