Home / 105,664.64-146,010.53-76,934.41

Finding the Fourth Proportional to 105,664.64, 146,010.53 and 76,934.41

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Solution

The fourth proportional to 105,664.64, 146,010.53 and 76,934.41 is: 106,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,664.64 : 146,010.53 = 76,934.41 : x
  2. Step 2: Convert to fraction form
    105,664.64/146,010.53 = 76,934.41/x
  3. Step 3: Cross multiply
    105,664.64x = 146,010.53 × 76,934.41
  4. Step 4: Simplify right side
    105,664.64x = 11,233,233,806.65
  5. Step 5: Solve for x
    x = 11,233,233,806.65/105,664.64
  6. Step 6: Final answer
    x = 106,310.25

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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.