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Finding the Fourth Proportional to 192,603.16, 265,896.84 and 116,135.92

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Solution

The fourth proportional to 192,603.16, 265,896.84 and 116,135.92 is: 160,330.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,603.16 : 265,896.84 = 116,135.92 : x
  2. Step 2: Convert to fraction form
    192,603.16/265,896.84 = 116,135.92/x
  3. Step 3: Cross multiply
    192,603.16x = 265,896.84 × 116,135.92
  4. Step 4: Simplify right side
    192,603.16x = 30,880,174,138.49
  5. Step 5: Solve for x
    x = 30,880,174,138.49/192,603.16
  6. Step 6: Final answer
    x = 160,330.57

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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.