Home / 134,525.25-185,644.85-77,969.43

Finding the Fourth Proportional to 134,525.25, 185,644.85 and 77,969.43

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Solution

The fourth proportional to 134,525.25, 185,644.85 and 77,969.43 is: 107,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,525.25 : 185,644.85 = 77,969.43 : x
  2. Step 2: Convert to fraction form
    134,525.25/185,644.85 = 77,969.43/x
  3. Step 3: Cross multiply
    134,525.25x = 185,644.85 × 77,969.43
  4. Step 4: Simplify right side
    134,525.25x = 14,474,622,747.09
  5. Step 5: Solve for x
    x = 14,474,622,747.09/134,525.25
  6. Step 6: Final answer
    x = 107,597.81

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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.