Home / 143,236.33-197,736.26-89,538.65

Finding the Fourth Proportional to 143,236.33, 197,736.26 and 89,538.65

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Solution

The fourth proportional to 143,236.33, 197,736.26 and 89,538.65 is: 123,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,236.33 : 197,736.26 = 89,538.65 : x
  2. Step 2: Convert to fraction form
    143,236.33/197,736.26 = 89,538.65/x
  3. Step 3: Cross multiply
    143,236.33x = 197,736.26 × 89,538.65
  4. Step 4: Simplify right side
    143,236.33x = 17,705,036,787.77
  5. Step 5: Solve for x
    x = 17,705,036,787.77/143,236.33
  6. Step 6: Final answer
    x = 123,607.17

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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.