Home / 171,172.24-256,813.03-71,342.98

Finding the Fourth Proportional to 171,172.24, 256,813.03 and 71,342.98

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Solution

The fourth proportional to 171,172.24, 256,813.03 and 71,342.98 is: 107,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,172.24 : 256,813.03 = 71,342.98 : x
  2. Step 2: Convert to fraction form
    171,172.24/256,813.03 = 71,342.98/x
  3. Step 3: Cross multiply
    171,172.24x = 256,813.03 × 71,342.98
  4. Step 4: Simplify right side
    171,172.24x = 18,321,806,310.18
  5. Step 5: Solve for x
    x = 18,321,806,310.18/171,172.24
  6. Step 6: Final answer
    x = 107,037.25

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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.