Home / 192,379.10-288,240.60-164,166.80

Finding the Fourth Proportional to 192,379.10, 288,240.60 and 164,166.80

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Solution

The fourth proportional to 192,379.10, 288,240.60 and 164,166.80 is: 245,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.10 : 288,240.60 = 164,166.80 : x
  2. Step 2: Convert to fraction form
    192,379.10/288,240.60 = 164,166.80/x
  3. Step 3: Cross multiply
    192,379.10x = 288,240.60 × 164,166.80
  4. Step 4: Simplify right side
    192,379.10x = 47,319,536,932.08
  5. Step 5: Solve for x
    x = 47,319,536,932.08/192,379.10
  6. Step 6: Final answer
    x = 245,970.26

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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.