Home / 248,033.72-342,290.94-134,857.28

Finding the Fourth Proportional to 248,033.72, 342,290.94 and 134,857.28

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Solution

The fourth proportional to 248,033.72, 342,290.94 and 134,857.28 is: 186,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,033.72 : 342,290.94 = 134,857.28 : x
  2. Step 2: Convert to fraction form
    248,033.72/342,290.94 = 134,857.28/x
  3. Step 3: Cross multiply
    248,033.72x = 342,290.94 × 134,857.28
  4. Step 4: Simplify right side
    248,033.72x = 46,160,425,137.04
  5. Step 5: Solve for x
    x = 46,160,425,137.04/248,033.72
  6. Step 6: Final answer
    x = 186,105.44

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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.