Home / 143,603.37-198,043.62-89,893.28

Finding the Fourth Proportional to 143,603.37, 198,043.62 and 89,893.28

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Solution

The fourth proportional to 143,603.37, 198,043.62 and 89,893.28 is: 123,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,603.37 : 198,043.62 = 89,893.28 : x
  2. Step 2: Convert to fraction form
    143,603.37/198,043.62 = 89,893.28/x
  3. Step 3: Cross multiply
    143,603.37x = 198,043.62 × 89,893.28
  4. Step 4: Simplify right side
    143,603.37x = 17,802,789,594.66
  5. Step 5: Solve for x
    x = 17,802,789,594.66/143,603.37
  6. Step 6: Final answer
    x = 123,971.95

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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.