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Finding the Fourth Proportional to 146,799, 202,599.90 and 87,183

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Solution

The fourth proportional to 146,799, 202,599.90 and 87,183 is: 120,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,799 : 202,599.90 = 87,183 : x
  2. Step 2: Convert to fraction form
    146,799/202,599.90 = 87,183/x
  3. Step 3: Cross multiply
    146,799x = 202,599.90 × 87,183
  4. Step 4: Simplify right side
    146,799x = 17,663,267,081.70
  5. Step 5: Solve for x
    x = 17,663,267,081.70/146,799
  6. Step 6: Final answer
    x = 120,322.80

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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.