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Finding the Fourth Proportional to 148,299.84, 204,651.84 and 81,232.32

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Solution

The fourth proportional to 148,299.84, 204,651.84 and 81,232.32 is: 112,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,299.84 : 204,651.84 = 81,232.32 : x
  2. Step 2: Convert to fraction form
    148,299.84/204,651.84 = 81,232.32/x
  3. Step 3: Cross multiply
    148,299.84x = 204,651.84 × 81,232.32
  4. Step 4: Simplify right side
    148,299.84x = 16,624,343,755.47
  5. Step 5: Solve for x
    x = 16,624,343,755.47/148,299.84
  6. Step 6: Final answer
    x = 112,099.54

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1.5x scale

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.