Home / 170,467.06-255,817.23-87,419.38

Finding the Fourth Proportional to 170,467.06, 255,817.23 and 87,419.38

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Solution

The fourth proportional to 170,467.06, 255,817.23 and 87,419.38 is: 131,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,467.06 : 255,817.23 = 87,419.38 : x
  2. Step 2: Convert to fraction form
    170,467.06/255,817.23 = 87,419.38/x
  3. Step 3: Cross multiply
    170,467.06x = 255,817.23 × 87,419.38
  4. Step 4: Simplify right side
    170,467.06x = 22,363,383,639.92
  5. Step 5: Solve for x
    x = 22,363,383,639.92/170,467.06
  6. Step 6: Final answer
    x = 131,188.89

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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.