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Finding the Fourth Proportional to 146,712, 202,464.96 and 79,644

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Solution

The fourth proportional to 146,712, 202,464.96 and 79,644 is: 109,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,712 : 202,464.96 = 79,644 : x
  2. Step 2: Convert to fraction form
    146,712/202,464.96 = 79,644/x
  3. Step 3: Cross multiply
    146,712x = 202,464.96 × 79,644
  4. Step 4: Simplify right side
    146,712x = 16,125,119,274.24
  5. Step 5: Solve for x
    x = 16,125,119,274.24/146,712
  6. Step 6: Final answer
    x = 109,910.02

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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.