Home / 195,418.31-269,677.28-105,994.31

Finding the Fourth Proportional to 195,418.31, 269,677.28 and 105,994.31

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Solution

The fourth proportional to 195,418.31, 269,677.28 and 105,994.31 is: 146,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,418.31 : 269,677.28 = 105,994.31 : x
  2. Step 2: Convert to fraction form
    195,418.31/269,677.28 = 105,994.31/x
  3. Step 3: Cross multiply
    195,418.31x = 269,677.28 × 105,994.31
  4. Step 4: Simplify right side
    195,418.31x = 28,584,257,360.50
  5. Step 5: Solve for x
    x = 28,584,257,360.50/195,418.31
  6. Step 6: Final answer
    x = 146,272.15

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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.