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Finding the Fourth Proportional to 146,622, 202,339.44 and 79,554

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Solution

The fourth proportional to 146,622, 202,339.44 and 79,554 is: 109,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,622 : 202,339.44 = 79,554 : x
  2. Step 2: Convert to fraction form
    146,622/202,339.44 = 79,554/x
  3. Step 3: Cross multiply
    146,622x = 202,339.44 × 79,554
  4. Step 4: Simplify right side
    146,622x = 16,096,911,809.76
  5. Step 5: Solve for x
    x = 16,096,911,809.76/146,622
  6. Step 6: Final answer
    x = 109,785.11

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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.