Home / 122,958.14-168,576.26-120,716.48

Finding the Fourth Proportional to 122,958.14, 168,576.26 and 120,716.48

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Solution

The fourth proportional to 122,958.14, 168,576.26 and 120,716.48 is: 165,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,958.14 : 168,576.26 = 120,716.48 : x
  2. Step 2: Convert to fraction form
    122,958.14/168,576.26 = 120,716.48/x
  3. Step 3: Cross multiply
    122,958.14x = 168,576.26 × 120,716.48
  4. Step 4: Simplify right side
    122,958.14x = 20,349,932,718.76
  5. Step 5: Solve for x
    x = 20,349,932,718.76/122,958.14
  6. Step 6: Final answer
    x = 165,502.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.