Home / 201,615.27-278,226.87-110,969.29

Finding the Fourth Proportional to 201,615.27, 278,226.87 and 110,969.29

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Solution

The fourth proportional to 201,615.27, 278,226.87 and 110,969.29 is: 153,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,615.27 : 278,226.87 = 110,969.29 : x
  2. Step 2: Convert to fraction form
    201,615.27/278,226.87 = 110,969.29/x
  3. Step 3: Cross multiply
    201,615.27x = 278,226.87 × 110,969.29
  4. Step 4: Simplify right side
    201,615.27x = 30,874,638,222.82
  5. Step 5: Solve for x
    x = 30,874,638,222.82/201,615.27
  6. Step 6: Final answer
    x = 153,136.41

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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.