Home / 189,224.74-284,033.94-139,361.14

Finding the Fourth Proportional to 189,224.74, 284,033.94 and 139,361.14

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Solution

The fourth proportional to 189,224.74, 284,033.94 and 139,361.14 is: 209,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,224.74 : 284,033.94 = 139,361.14 : x
  2. Step 2: Convert to fraction form
    189,224.74/284,033.94 = 139,361.14/x
  3. Step 3: Cross multiply
    189,224.74x = 284,033.94 × 139,361.14
  4. Step 4: Simplify right side
    189,224.74x = 39,583,293,677.09
  5. Step 5: Solve for x
    x = 39,583,293,677.09/189,224.74
  6. Step 6: Final answer
    x = 209,186.67

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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.