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Finding the Fourth Proportional to 99,792.33, 149,764.64 and 36,672.27

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Solution

The fourth proportional to 99,792.33, 149,764.64 and 36,672.27 is: 55,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,792.33 : 149,764.64 = 36,672.27 : x
  2. Step 2: Convert to fraction form
    99,792.33/149,764.64 = 36,672.27/x
  3. Step 3: Cross multiply
    99,792.33x = 149,764.64 × 36,672.27
  4. Step 4: Simplify right side
    99,792.33x = 5,492,209,131.17
  5. Step 5: Solve for x
    x = 5,492,209,131.17/99,792.33
  6. Step 6: Final answer
    x = 55,036.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.