Home / 134,431.51-185,519.68-73,181.79

Finding the Fourth Proportional to 134,431.51, 185,519.68 and 73,181.79

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Solution

The fourth proportional to 134,431.51, 185,519.68 and 73,181.79 is: 100,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,431.51 : 185,519.68 = 73,181.79 : x
  2. Step 2: Convert to fraction form
    134,431.51/185,519.68 = 73,181.79/x
  3. Step 3: Cross multiply
    134,431.51x = 185,519.68 × 73,181.79
  4. Step 4: Simplify right side
    134,431.51x = 13,576,662,262.63
  5. Step 5: Solve for x
    x = 13,576,662,262.63/134,431.51
  6. Step 6: Final answer
    x = 100,993.15

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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.