Home / 249,119.52-343,792.20-135,949.56

Finding the Fourth Proportional to 249,119.52, 343,792.20 and 135,949.56

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Solution

The fourth proportional to 249,119.52, 343,792.20 and 135,949.56 is: 187,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,119.52 : 343,792.20 = 135,949.56 : x
  2. Step 2: Convert to fraction form
    249,119.52/343,792.20 = 135,949.56/x
  3. Step 3: Cross multiply
    249,119.52x = 343,792.20 × 135,949.56
  4. Step 4: Simplify right side
    249,119.52x = 46,738,398,321.43
  5. Step 5: Solve for x
    x = 46,738,398,321.43/249,119.52
  6. Step 6: Final answer
    x = 187,614.36

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1.5x scale

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.