Home / 248,266.17-342,605.75-135,089.37

Finding the Fourth Proportional to 248,266.17, 342,605.75 and 135,089.37

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Solution

The fourth proportional to 248,266.17, 342,605.75 and 135,089.37 is: 186,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.17 : 342,605.75 = 135,089.37 : x
  2. Step 2: Convert to fraction form
    248,266.17/342,605.75 = 135,089.37/x
  3. Step 3: Cross multiply
    248,266.17x = 342,605.75 × 135,089.37
  4. Step 4: Simplify right side
    248,266.17x = 46,282,394,250.43
  5. Step 5: Solve for x
    x = 46,282,394,250.43/248,266.17
  6. Step 6: Final answer
    x = 186,422.48

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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.