Home / 102,076.11-153,054.27-30,977.37

Finding the Fourth Proportional to 102,076.11, 153,054.27 and 30,977.37

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Solution

The fourth proportional to 102,076.11, 153,054.27 and 30,977.37 is: 46,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,076.11 : 153,054.27 = 30,977.37 : x
  2. Step 2: Convert to fraction form
    102,076.11/153,054.27 = 30,977.37/x
  3. Step 3: Cross multiply
    102,076.11x = 153,054.27 × 30,977.37
  4. Step 4: Simplify right side
    102,076.11x = 4,741,218,751.87
  5. Step 5: Solve for x
    x = 4,741,218,751.87/102,076.11
  6. Step 6: Final answer
    x = 46,447.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.