Home / 199,290.42-274,865.22-127,677.06

Finding the Fourth Proportional to 199,290.42, 274,865.22 and 127,677.06

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Solution

The fourth proportional to 199,290.42, 274,865.22 and 127,677.06 is: 176,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290.42 : 274,865.22 = 127,677.06 : x
  2. Step 2: Convert to fraction form
    199,290.42/274,865.22 = 127,677.06/x
  3. Step 3: Cross multiply
    199,290.42x = 274,865.22 × 127,677.06
  4. Step 4: Simplify right side
    199,290.42x = 35,093,983,185.85
  5. Step 5: Solve for x
    x = 35,093,983,185.85/199,290.42
  6. Step 6: Final answer
    x = 176,094.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.