Home / 182,121.12-273,116.07-76,948.29

Finding the Fourth Proportional to 182,121.12, 273,116.07 and 76,948.29

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Solution

The fourth proportional to 182,121.12, 273,116.07 and 76,948.29 is: 115,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,121.12 : 273,116.07 = 76,948.29 : x
  2. Step 2: Convert to fraction form
    182,121.12/273,116.07 = 76,948.29/x
  3. Step 3: Cross multiply
    182,121.12x = 273,116.07 × 76,948.29
  4. Step 4: Simplify right side
    182,121.12x = 21,015,814,558.02
  5. Step 5: Solve for x
    x = 21,015,814,558.02/182,121.12
  6. Step 6: Final answer
    x = 115,394.71

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1.5x scale

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.