Home / 172,997.17-238,697.38-130,080.03

Finding the Fourth Proportional to 172,997.17, 238,697.38 and 130,080.03

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Solution

The fourth proportional to 172,997.17, 238,697.38 and 130,080.03 is: 179,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,997.17 : 238,697.38 = 130,080.03 : x
  2. Step 2: Convert to fraction form
    172,997.17/238,697.38 = 130,080.03/x
  3. Step 3: Cross multiply
    172,997.17x = 238,697.38 × 130,080.03
  4. Step 4: Simplify right side
    172,997.17x = 31,049,761,618.81
  5. Step 5: Solve for x
    x = 31,049,761,618.81/172,997.17
  6. Step 6: Final answer
    x = 179,481.33

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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.