Home / 171,678.87-257,574.33-82,942.56

Finding the Fourth Proportional to 171,678.87, 257,574.33 and 82,942.56

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Solution

The fourth proportional to 171,678.87, 257,574.33 and 82,942.56 is: 124,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,678.87 : 257,574.33 = 82,942.56 : x
  2. Step 2: Convert to fraction form
    171,678.87/257,574.33 = 82,942.56/x
  3. Step 3: Cross multiply
    171,678.87x = 257,574.33 × 82,942.56
  4. Step 4: Simplify right side
    171,678.87x = 21,363,874,320.48
  5. Step 5: Solve for x
    x = 21,363,874,320.48/171,678.87
  6. Step 6: Final answer
    x = 124,440.91

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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.