Home / 249,921.26-344,890.31-135,199.64

Finding the Fourth Proportional to 249,921.26, 344,890.31 and 135,199.64

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Solution

The fourth proportional to 249,921.26, 344,890.31 and 135,199.64 is: 186,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,921.26 : 344,890.31 = 135,199.64 : x
  2. Step 2: Convert to fraction form
    249,921.26/344,890.31 = 135,199.64/x
  3. Step 3: Cross multiply
    249,921.26x = 344,890.31 × 135,199.64
  4. Step 4: Simplify right side
    249,921.26x = 46,629,043,351.04
  5. Step 5: Solve for x
    x = 46,629,043,351.04/249,921.26
  6. Step 6: Final answer
    x = 186,574.94

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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.