Home / 172,942.24-257,694.07-154,077.32

Finding the Fourth Proportional to 172,942.24, 257,694.07 and 154,077.32

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Solution

The fourth proportional to 172,942.24, 257,694.07 and 154,077.32 is: 229,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,942.24 : 257,694.07 = 154,077.32 : x
  2. Step 2: Convert to fraction form
    172,942.24/257,694.07 = 154,077.32/x
  3. Step 3: Cross multiply
    172,942.24x = 257,694.07 × 154,077.32
  4. Step 4: Simplify right side
    172,942.24x = 39,704,809,626.64
  5. Step 5: Solve for x
    x = 39,704,809,626.64/172,942.24
  6. Step 6: Final answer
    x = 229,584.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.