Home / 170,940.88-256,442.30-85,596.24

Finding the Fourth Proportional to 170,940.88, 256,442.30 and 85,596.24

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Solution

The fourth proportional to 170,940.88, 256,442.30 and 85,596.24 is: 128,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,940.88 : 256,442.30 = 85,596.24 : x
  2. Step 2: Convert to fraction form
    170,940.88/256,442.30 = 85,596.24/x
  3. Step 3: Cross multiply
    170,940.88x = 256,442.30 × 85,596.24
  4. Step 4: Simplify right side
    170,940.88x = 21,950,496,656.95
  5. Step 5: Solve for x
    x = 21,950,496,656.95/170,940.88
  6. Step 6: Final answer
    x = 128,409.87

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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.