Home / 93,786.84-140,846.28-89,912.04

Finding the Fourth Proportional to 93,786.84, 140,846.28 and 89,912.04

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Solution

The fourth proportional to 93,786.84, 140,846.28 and 89,912.04 is: 135,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,786.84 : 140,846.28 = 89,912.04 : x
  2. Step 2: Convert to fraction form
    93,786.84/140,846.28 = 89,912.04/x
  3. Step 3: Cross multiply
    93,786.84x = 140,846.28 × 89,912.04
  4. Step 4: Simplify right side
    93,786.84x = 12,663,776,361.21
  5. Step 5: Solve for x
    x = 12,663,776,361.21/93,786.84
  6. Step 6: Final answer
    x = 135,027.22

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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.