Home / 163,960.20-245,940.30-149,185.80

Finding the Fourth Proportional to 163,960.20, 245,940.30 and 149,185.80

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Solution

The fourth proportional to 163,960.20, 245,940.30 and 149,185.80 is: 223,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960.20 : 245,940.30 = 149,185.80 : x
  2. Step 2: Convert to fraction form
    163,960.20/245,940.30 = 149,185.80/x
  3. Step 3: Cross multiply
    163,960.20x = 245,940.30 × 149,185.80
  4. Step 4: Simplify right side
    163,960.20x = 36,690,800,407.74
  5. Step 5: Solve for x
    x = 36,690,800,407.74/163,960.20
  6. Step 6: Final answer
    x = 223,778.70

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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.