Home / 105,968.98-146,366.57-79,230.07

Finding the Fourth Proportional to 105,968.98, 146,366.57 and 79,230.07

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Solution

The fourth proportional to 105,968.98, 146,366.57 and 79,230.07 is: 109,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,968.98 : 146,366.57 = 79,230.07 : x
  2. Step 2: Convert to fraction form
    105,968.98/146,366.57 = 79,230.07/x
  3. Step 3: Cross multiply
    105,968.98x = 146,366.57 × 79,230.07
  4. Step 4: Simplify right side
    105,968.98x = 11,596,633,190.61
  5. Step 5: Solve for x
    x = 11,596,633,190.61/105,968.98
  6. Step 6: Final answer
    x = 109,434.22

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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.