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Finding the Fourth Proportional to 146,888, 202,705.44 and 79,820

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Solution

The fourth proportional to 146,888, 202,705.44 and 79,820 is: 110,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,888 : 202,705.44 = 79,820 : x
  2. Step 2: Convert to fraction form
    146,888/202,705.44 = 79,820/x
  3. Step 3: Cross multiply
    146,888x = 202,705.44 × 79,820
  4. Step 4: Simplify right side
    146,888x = 16,179,948,220.80
  5. Step 5: Solve for x
    x = 16,179,948,220.80/146,888
  6. Step 6: Final answer
    x = 110,151.60

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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.