Home / 118,418.90-177,504.26-55,186.85

Finding the Fourth Proportional to 118,418.90, 177,504.26 and 55,186.85

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Solution

The fourth proportional to 118,418.90, 177,504.26 and 55,186.85 is: 82,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,418.90 : 177,504.26 = 55,186.85 : x
  2. Step 2: Convert to fraction form
    118,418.90/177,504.26 = 55,186.85/x
  3. Step 3: Cross multiply
    118,418.90x = 177,504.26 × 55,186.85
  4. Step 4: Simplify right side
    118,418.90x = 9,795,901,449.23
  5. Step 5: Solve for x
    x = 9,795,901,449.23/118,418.90
  6. Step 6: Final answer
    x = 82,722.45

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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.