Home / 118,568.20-176,986.73-103,621

Finding the Fourth Proportional to 118,568.20, 176,986.73 and 103,621

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Solution

The fourth proportional to 118,568.20, 176,986.73 and 103,621 is: 154,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.20 : 176,986.73 = 103,621 : x
  2. Step 2: Convert to fraction form
    118,568.20/176,986.73 = 103,621/x
  3. Step 3: Cross multiply
    118,568.20x = 176,986.73 × 103,621
  4. Step 4: Simplify right side
    118,568.20x = 18,339,541,949.33
  5. Step 5: Solve for x
    x = 18,339,541,949.33/118,568.20
  6. Step 6: Final answer
    x = 154,675.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.