Home / 170,139.07-255,246.57-51,819.54

Finding the Fourth Proportional to 170,139.07, 255,246.57 and 51,819.54

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Solution

The fourth proportional to 170,139.07, 255,246.57 and 51,819.54 is: 77,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,139.07 : 255,246.57 = 51,819.54 : x
  2. Step 2: Convert to fraction form
    170,139.07/255,246.57 = 51,819.54/x
  3. Step 3: Cross multiply
    170,139.07x = 255,246.57 × 51,819.54
  4. Step 4: Simplify right side
    170,139.07x = 13,226,759,843.98
  5. Step 5: Solve for x
    x = 13,226,759,843.98/170,139.07
  6. Step 6: Final answer
    x = 77,740.87

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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.