Home / 170,245.41-255,220.16-85,935.35

Finding the Fourth Proportional to 170,245.41, 255,220.16 and 85,935.35

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Solution

The fourth proportional to 170,245.41, 255,220.16 and 85,935.35 is: 128,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,245.41 : 255,220.16 = 85,935.35 : x
  2. Step 2: Convert to fraction form
    170,245.41/255,220.16 = 85,935.35/x
  3. Step 3: Cross multiply
    170,245.41x = 255,220.16 × 85,935.35
  4. Step 4: Simplify right side
    170,245.41x = 21,932,432,070.88
  5. Step 5: Solve for x
    x = 21,932,432,070.88/170,245.41
  6. Step 6: Final answer
    x = 128,828.33

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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.