Home / 149,943.41-206,787.89-124,409.36

Finding the Fourth Proportional to 149,943.41, 206,787.89 and 124,409.36

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Solution

The fourth proportional to 149,943.41, 206,787.89 and 124,409.36 is: 171,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,943.41 : 206,787.89 = 124,409.36 : x
  2. Step 2: Convert to fraction form
    149,943.41/206,787.89 = 124,409.36/x
  3. Step 3: Cross multiply
    149,943.41x = 206,787.89 × 124,409.36
  4. Step 4: Simplify right side
    149,943.41x = 25,726,348,016.71
  5. Step 5: Solve for x
    x = 25,726,348,016.71/149,943.41
  6. Step 6: Final answer
    x = 171,573.72

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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.