Home / 182,120.12-273,114.57-76,947.29

Finding the Fourth Proportional to 182,120.12, 273,114.57 and 76,947.29

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Solution

The fourth proportional to 182,120.12, 273,114.57 and 76,947.29 is: 115,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,120.12 : 273,114.57 = 76,947.29 : x
  2. Step 2: Convert to fraction form
    182,120.12/273,114.57 = 76,947.29/x
  3. Step 3: Cross multiply
    182,120.12x = 273,114.57 × 76,947.29
  4. Step 4: Simplify right side
    182,120.12x = 21,015,426,021.02
  5. Step 5: Solve for x
    x = 21,015,426,021.02/182,120.12
  6. Step 6: Final answer
    x = 115,393.21

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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.