Home / 249,949.50-344,930.34-136,772.28

Finding the Fourth Proportional to 249,949.50, 344,930.34 and 136,772.28

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Solution

The fourth proportional to 249,949.50, 344,930.34 and 136,772.28 is: 188,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,949.50 : 344,930.34 = 136,772.28 : x
  2. Step 2: Convert to fraction form
    249,949.50/344,930.34 = 136,772.28/x
  3. Step 3: Cross multiply
    249,949.50x = 344,930.34 × 136,772.28
  4. Step 4: Simplify right side
    249,949.50x = 47,176,909,042.98
  5. Step 5: Solve for x
    x = 47,176,909,042.98/249,949.50
  6. Step 6: Final answer
    x = 188,745.76

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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.