Home / 249,223.72-343,927.74-136,046.56

Finding the Fourth Proportional to 249,223.72, 343,927.74 and 136,046.56

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Solution

The fourth proportional to 249,223.72, 343,927.74 and 136,046.56 is: 187,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,223.72 : 343,927.74 = 136,046.56 : x
  2. Step 2: Convert to fraction form
    249,223.72/343,927.74 = 136,046.56/x
  3. Step 3: Cross multiply
    249,223.72x = 343,927.74 × 136,046.56
  4. Step 4: Simplify right side
    249,223.72x = 46,790,185,915.57
  5. Step 5: Solve for x
    x = 46,790,185,915.57/249,223.72
  6. Step 6: Final answer
    x = 187,743.71

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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.