Home / 249,921.26-374,843.38-81,441.16

Finding the Fourth Proportional to 249,921.26, 374,843.38 and 81,441.16

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Solution

The fourth proportional to 249,921.26, 374,843.38 and 81,441.16 is: 122,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,921.26 : 374,843.38 = 81,441.16 : x
  2. Step 2: Convert to fraction form
    249,921.26/374,843.38 = 81,441.16/x
  3. Step 3: Cross multiply
    249,921.26x = 374,843.38 × 81,441.16
  4. Step 4: Simplify right side
    249,921.26x = 30,527,679,481.92
  5. Step 5: Solve for x
    x = 30,527,679,481.92/249,921.26
  6. Step 6: Final answer
    x = 122,149.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.