Home / 249,119.84-343,786.32-135,942.59

Finding the Fourth Proportional to 249,119.84, 343,786.32 and 135,942.59

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Solution

The fourth proportional to 249,119.84, 343,786.32 and 135,942.59 is: 187,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,119.84 : 343,786.32 = 135,942.59 : x
  2. Step 2: Convert to fraction form
    249,119.84/343,786.32 = 135,942.59/x
  3. Step 3: Cross multiply
    249,119.84x = 343,786.32 × 135,942.59
  4. Step 4: Simplify right side
    249,119.84x = 46,735,201,028.44
  5. Step 5: Solve for x
    x = 46,735,201,028.44/249,119.84
  6. Step 6: Final answer
    x = 187,601.28

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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.