Home / 249,221.94-343,921.84-141,789.66

Finding the Fourth Proportional to 249,221.94, 343,921.84 and 141,789.66

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Solution

The fourth proportional to 249,221.94, 343,921.84 and 141,789.66 is: 195,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,221.94 : 343,921.84 = 141,789.66 : x
  2. Step 2: Convert to fraction form
    249,221.94/343,921.84 = 141,789.66/x
  3. Step 3: Cross multiply
    249,221.94x = 343,921.84 × 141,789.66
  4. Step 4: Simplify right side
    249,221.94x = 48,764,560,760.17
  5. Step 5: Solve for x
    x = 48,764,560,760.17/249,221.94
  6. Step 6: Final answer
    x = 195,667.21

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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.