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Finding the Fourth Proportional to 146,968, 202,816.08 and 79,900

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Solution

The fourth proportional to 146,968, 202,816.08 and 79,900 is: 110,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,968 : 202,816.08 = 79,900 : x
  2. Step 2: Convert to fraction form
    146,968/202,816.08 = 79,900/x
  3. Step 3: Cross multiply
    146,968x = 202,816.08 × 79,900
  4. Step 4: Simplify right side
    146,968x = 16,205,004,792.00
  5. Step 5: Solve for x
    x = 16,205,004,792.00/146,968
  6. Step 6: Final answer
    x = 110,262.13

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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.