Home / 106,480.10-146,989.77-68,772.74

Finding the Fourth Proportional to 106,480.10, 146,989.77 and 68,772.74

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Solution

The fourth proportional to 106,480.10, 146,989.77 and 68,772.74 is: 94,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,480.10 : 146,989.77 = 68,772.74 : x
  2. Step 2: Convert to fraction form
    106,480.10/146,989.77 = 68,772.74/x
  3. Step 3: Cross multiply
    106,480.10x = 146,989.77 × 68,772.74
  4. Step 4: Simplify right side
    106,480.10x = 10,108,889,234.87
  5. Step 5: Solve for x
    x = 10,108,889,234.87/106,480.10
  6. Step 6: Final answer
    x = 94,936.89

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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.