Home / 172,600.26-258,813.81-100,576.50

Finding the Fourth Proportional to 172,600.26, 258,813.81 and 100,576.50

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Solution

The fourth proportional to 172,600.26, 258,813.81 and 100,576.50 is: 150,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,600.26 : 258,813.81 = 100,576.50 : x
  2. Step 2: Convert to fraction form
    172,600.26/258,813.81 = 100,576.50/x
  3. Step 3: Cross multiply
    172,600.26x = 258,813.81 × 100,576.50
  4. Step 4: Simplify right side
    172,600.26x = 26,030,586,658.58
  5. Step 5: Solve for x
    x = 26,030,586,658.58/172,600.26
  6. Step 6: Final answer
    x = 150,814.30

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1.5x scale

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.