Home / 201,621.43-278,235.37-110,975.45

Finding the Fourth Proportional to 201,621.43, 278,235.37 and 110,975.45

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Solution

The fourth proportional to 201,621.43, 278,235.37 and 110,975.45 is: 153,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,621.43 : 278,235.37 = 110,975.45 : x
  2. Step 2: Convert to fraction form
    201,621.43/278,235.37 = 110,975.45/x
  3. Step 3: Cross multiply
    201,621.43x = 278,235.37 × 110,975.45
  4. Step 4: Simplify right side
    201,621.43x = 30,877,295,391.67
  5. Step 5: Solve for x
    x = 30,877,295,391.67/201,621.43
  6. Step 6: Final answer
    x = 153,144.91

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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.