Home / 122,084.19-168,310.80-104,369.49

Finding the Fourth Proportional to 122,084.19, 168,310.80 and 104,369.49

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Solution

The fourth proportional to 122,084.19, 168,310.80 and 104,369.49 is: 143,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,084.19 : 168,310.80 = 104,369.49 : x
  2. Step 2: Convert to fraction form
    122,084.19/168,310.80 = 104,369.49/x
  3. Step 3: Cross multiply
    122,084.19x = 168,310.80 × 104,369.49
  4. Step 4: Simplify right side
    122,084.19x = 17,566,512,357.49
  5. Step 5: Solve for x
    x = 17,566,512,357.49/122,084.19
  6. Step 6: Final answer
    x = 143,888.51

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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.