Home / 249,963.78-344,949.99-136,786.50

Finding the Fourth Proportional to 249,963.78, 344,949.99 and 136,786.50

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Solution

The fourth proportional to 249,963.78, 344,949.99 and 136,786.50 is: 188,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,963.78 : 344,949.99 = 136,786.50 : x
  2. Step 2: Convert to fraction form
    249,963.78/344,949.99 = 136,786.50/x
  3. Step 3: Cross multiply
    249,963.78x = 344,949.99 × 136,786.50
  4. Step 4: Simplify right side
    249,963.78x = 47,184,501,807.14
  5. Step 5: Solve for x
    x = 47,184,501,807.14/249,963.78
  6. Step 6: Final answer
    x = 188,765.36

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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.