Home / 249,942.25-344,920.31-136,765

Finding the Fourth Proportional to 249,942.25, 344,920.31 and 136,765

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Solution

The fourth proportional to 249,942.25, 344,920.31 and 136,765 is: 188,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,942.25 : 344,920.31 = 136,765 : x
  2. Step 2: Convert to fraction form
    249,942.25/344,920.31 = 136,765/x
  3. Step 3: Cross multiply
    249,942.25x = 344,920.31 × 136,765
  4. Step 4: Simplify right side
    249,942.25x = 47,173,026,197.15
  5. Step 5: Solve for x
    x = 47,173,026,197.15/249,942.25
  6. Step 6: Final answer
    x = 188,735.70

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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.