Home / 134,481.69-185,577.37-74,040.85

Finding the Fourth Proportional to 134,481.69, 185,577.37 and 74,040.85

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Solution

The fourth proportional to 134,481.69, 185,577.37 and 74,040.85 is: 102,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,481.69 : 185,577.37 = 74,040.85 : x
  2. Step 2: Convert to fraction form
    134,481.69/185,577.37 = 74,040.85/x
  3. Step 3: Cross multiply
    134,481.69x = 185,577.37 × 74,040.85
  4. Step 4: Simplify right side
    134,481.69x = 13,740,306,215.56
  5. Step 5: Solve for x
    x = 13,740,306,215.56/134,481.69
  6. Step 6: Final answer
    x = 102,172.32

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1.5x scale

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.