Home / 198,802.32-274,353.48-113,946

Finding the Fourth Proportional to 198,802.32, 274,353.48 and 113,946

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Solution

The fourth proportional to 198,802.32, 274,353.48 and 113,946 is: 157,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,802.32 : 274,353.48 = 113,946 : x
  2. Step 2: Convert to fraction form
    198,802.32/274,353.48 = 113,946/x
  3. Step 3: Cross multiply
    198,802.32x = 274,353.48 × 113,946
  4. Step 4: Simplify right side
    198,802.32x = 31,261,481,632.08
  5. Step 5: Solve for x
    x = 31,261,481,632.08/198,802.32
  6. Step 6: Final answer
    x = 157,249.08

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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.