Home / 134,481.19-185,576.69-74,040.35

Finding the Fourth Proportional to 134,481.19, 185,576.69 and 74,040.35

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Solution

The fourth proportional to 134,481.19, 185,576.69 and 74,040.35 is: 102,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,481.19 : 185,576.69 = 74,040.35 : x
  2. Step 2: Convert to fraction form
    134,481.19/185,576.69 = 74,040.35/x
  3. Step 3: Cross multiply
    134,481.19x = 185,576.69 × 74,040.35
  4. Step 4: Simplify right side
    134,481.19x = 13,740,162,709.24
  5. Step 5: Solve for x
    x = 13,740,162,709.24/134,481.19
  6. Step 6: Final answer
    x = 102,171.64

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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.