Home / 248,891.04-343,476.72-135,720

Finding the Fourth Proportional to 248,891.04, 343,476.72 and 135,720

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Solution

The fourth proportional to 248,891.04, 343,476.72 and 135,720 is: 187,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,891.04 : 343,476.72 = 135,720 : x
  2. Step 2: Convert to fraction form
    248,891.04/343,476.72 = 135,720/x
  3. Step 3: Cross multiply
    248,891.04x = 343,476.72 × 135,720
  4. Step 4: Simplify right side
    248,891.04x = 46,616,660,438.40
  5. Step 5: Solve for x
    x = 46,616,660,438.40/248,891.04
  6. Step 6: Final answer
    x = 187,297.46

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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.