Home / 248,693.04-343,191.60-135,513.36

Finding the Fourth Proportional to 248,693.04, 343,191.60 and 135,513.36

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Solution

The fourth proportional to 248,693.04, 343,191.60 and 135,513.36 is: 187,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,693.04 : 343,191.60 = 135,513.36 : x
  2. Step 2: Convert to fraction form
    248,693.04/343,191.60 = 135,513.36/x
  3. Step 3: Cross multiply
    248,693.04x = 343,191.60 × 135,513.36
  4. Step 4: Simplify right side
    248,693.04x = 46,507,046,839.78
  5. Step 5: Solve for x
    x = 46,507,046,839.78/248,693.04
  6. Step 6: Final answer
    x = 187,005.82

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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.