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Finding the Fourth Proportional to 146,672, 202,411.68 and 79,608.32

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Solution

The fourth proportional to 146,672, 202,411.68 and 79,608.32 is: 109,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,672 : 202,411.68 = 79,608.32 : x
  2. Step 2: Convert to fraction form
    146,672/202,411.68 = 79,608.32/x
  3. Step 3: Cross multiply
    146,672x = 202,411.68 × 79,608.32
  4. Step 4: Simplify right side
    146,672x = 16,113,653,793.18
  5. Step 5: Solve for x
    x = 16,113,653,793.18/146,672
  6. Step 6: Final answer
    x = 109,861.83

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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.