Home / 106,170.76-146,466.66-68,457.16

Finding the Fourth Proportional to 106,170.76, 146,466.66 and 68,457.16

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Solution

The fourth proportional to 106,170.76, 146,466.66 and 68,457.16 is: 94,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,170.76 : 146,466.66 = 68,457.16 : x
  2. Step 2: Convert to fraction form
    106,170.76/146,466.66 = 68,457.16/x
  3. Step 3: Cross multiply
    106,170.76x = 146,466.66 × 68,457.16
  4. Step 4: Simplify right side
    106,170.76x = 10,026,691,578.29
  5. Step 5: Solve for x
    x = 10,026,691,578.29/106,170.76
  6. Step 6: Final answer
    x = 94,439.29

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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.