Home / 168,391.69-252,368.83-68,435.57

Finding the Fourth Proportional to 168,391.69, 252,368.83 and 68,435.57

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Solution

The fourth proportional to 168,391.69, 252,368.83 and 68,435.57 is: 102,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,391.69 : 252,368.83 = 68,435.57 : x
  2. Step 2: Convert to fraction form
    168,391.69/252,368.83 = 68,435.57/x
  3. Step 3: Cross multiply
    168,391.69x = 252,368.83 × 68,435.57
  4. Step 4: Simplify right side
    168,391.69x = 17,271,004,731.28
  5. Step 5: Solve for x
    x = 17,271,004,731.28/168,391.69
  6. Step 6: Final answer
    x = 102,564.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.