Home / 131,693.19-181,704.96-80,009.25

Finding the Fourth Proportional to 131,693.19, 181,704.96 and 80,009.25

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Solution

The fourth proportional to 131,693.19, 181,704.96 and 80,009.25 is: 110,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,693.19 : 181,704.96 = 80,009.25 : x
  2. Step 2: Convert to fraction form
    131,693.19/181,704.96 = 80,009.25/x
  3. Step 3: Cross multiply
    131,693.19x = 181,704.96 × 80,009.25
  4. Step 4: Simplify right side
    131,693.19x = 14,538,077,570.88
  5. Step 5: Solve for x
    x = 14,538,077,570.88/131,693.19
  6. Step 6: Final answer
    x = 110,393.54

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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.