Home / 172,942.40-238,619.82-104,957.84

Finding the Fourth Proportional to 172,942.40, 238,619.82 and 104,957.84

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Solution

The fourth proportional to 172,942.40, 238,619.82 and 104,957.84 is: 144,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,942.40 : 238,619.82 = 104,957.84 : x
  2. Step 2: Convert to fraction form
    172,942.40/238,619.82 = 104,957.84/x
  3. Step 3: Cross multiply
    172,942.40x = 238,619.82 × 104,957.84
  4. Step 4: Simplify right side
    172,942.40x = 25,045,020,888.39
  5. Step 5: Solve for x
    x = 25,045,020,888.39/172,942.40
  6. Step 6: Final answer
    x = 144,817.12

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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.