Home / 199,143.40-274,820.32-114,268.36

Finding the Fourth Proportional to 199,143.40, 274,820.32 and 114,268.36

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Solution

The fourth proportional to 199,143.40, 274,820.32 and 114,268.36 is: 157,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,143.40 : 274,820.32 = 114,268.36 : x
  2. Step 2: Convert to fraction form
    199,143.40/274,820.32 = 114,268.36/x
  3. Step 3: Cross multiply
    199,143.40x = 274,820.32 × 114,268.36
  4. Step 4: Simplify right side
    199,143.40x = 31,403,267,261.08
  5. Step 5: Solve for x
    x = 31,403,267,261.08/199,143.40
  6. Step 6: Final answer
    x = 157,691.73

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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.