Home / 249,959.24-344,943.78-136,782

Finding the Fourth Proportional to 249,959.24, 344,943.78 and 136,782

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Solution

The fourth proportional to 249,959.24, 344,943.78 and 136,782 is: 188,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,959.24 : 344,943.78 = 136,782 : x
  2. Step 2: Convert to fraction form
    249,959.24/344,943.78 = 136,782/x
  3. Step 3: Cross multiply
    249,959.24x = 344,943.78 × 136,782
  4. Step 4: Simplify right side
    249,959.24x = 47,182,100,115.96
  5. Step 5: Solve for x
    x = 47,182,100,115.96/249,959.24
  6. Step 6: Final answer
    x = 188,759.18

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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.