Home / 134,899.86-186,163.32-74,470.54

Finding the Fourth Proportional to 134,899.86, 186,163.32 and 74,470.54

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Solution

The fourth proportional to 134,899.86, 186,163.32 and 74,470.54 is: 102,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,899.86 : 186,163.32 = 74,470.54 : x
  2. Step 2: Convert to fraction form
    134,899.86/186,163.32 = 74,470.54/x
  3. Step 3: Cross multiply
    134,899.86x = 186,163.32 × 74,470.54
  4. Step 4: Simplify right side
    134,899.86x = 13,863,682,922.06
  5. Step 5: Solve for x
    x = 13,863,682,922.06/134,899.86
  6. Step 6: Final answer
    x = 102,770.18

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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.