Home / 195,938.64-269,915.40-142,065.36

Finding the Fourth Proportional to 195,938.64, 269,915.40 and 142,065.36

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Solution

The fourth proportional to 195,938.64, 269,915.40 and 142,065.36 is: 195,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,938.64 : 269,915.40 = 142,065.36 : x
  2. Step 2: Convert to fraction form
    195,938.64/269,915.40 = 142,065.36/x
  3. Step 3: Cross multiply
    195,938.64x = 269,915.40 × 142,065.36
  4. Step 4: Simplify right side
    195,938.64x = 38,345,628,470.54
  5. Step 5: Solve for x
    x = 38,345,628,470.54/195,938.64
  6. Step 6: Final answer
    x = 195,702.23

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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.