Home / 249,974.40-344,963.04-136,796.80

Finding the Fourth Proportional to 249,974.40, 344,963.04 and 136,796.80

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Solution

The fourth proportional to 249,974.40, 344,963.04 and 136,796.80 is: 188,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,974.40 : 344,963.04 = 136,796.80 : x
  2. Step 2: Convert to fraction form
    249,974.40/344,963.04 = 136,796.80/x
  3. Step 3: Cross multiply
    249,974.40x = 344,963.04 × 136,796.80
  4. Step 4: Simplify right side
    249,974.40x = 47,189,839,990.27
  5. Step 5: Solve for x
    x = 47,189,839,990.27/249,974.40
  6. Step 6: Final answer
    x = 188,778.69

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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.