Home / 134,942.80-202,284.60-104,940.40

Finding the Fourth Proportional to 134,942.80, 202,284.60 and 104,940.40

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Solution

The fourth proportional to 134,942.80, 202,284.60 and 104,940.40 is: 157,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,942.80 : 202,284.60 = 104,940.40 : x
  2. Step 2: Convert to fraction form
    134,942.80/202,284.60 = 104,940.40/x
  3. Step 3: Cross multiply
    134,942.80x = 202,284.60 × 104,940.40
  4. Step 4: Simplify right side
    134,942.80x = 21,227,826,837.84
  5. Step 5: Solve for x
    x = 21,227,826,837.84/134,942.80
  6. Step 6: Final answer
    x = 157,309.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.