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Finding the Fourth Proportional to 146,647, 202,373.04 and 79,579

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Solution

The fourth proportional to 146,647, 202,373.04 and 79,579 is: 109,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,647 : 202,373.04 = 79,579 : x
  2. Step 2: Convert to fraction form
    146,647/202,373.04 = 79,579/x
  3. Step 3: Cross multiply
    146,647x = 202,373.04 × 79,579
  4. Step 4: Simplify right side
    146,647x = 16,104,644,150.16
  5. Step 5: Solve for x
    x = 16,104,644,150.16/146,647
  6. Step 6: Final answer
    x = 109,819.12

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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.