Home / 122,917.46-169,642.40-69,213.03

Finding the Fourth Proportional to 122,917.46, 169,642.40 and 69,213.03

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Solution

The fourth proportional to 122,917.46, 169,642.40 and 69,213.03 is: 95,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,917.46 : 169,642.40 = 69,213.03 : x
  2. Step 2: Convert to fraction form
    122,917.46/169,642.40 = 69,213.03/x
  3. Step 3: Cross multiply
    122,917.46x = 169,642.40 × 69,213.03
  4. Step 4: Simplify right side
    122,917.46x = 11,741,464,174.41
  5. Step 5: Solve for x
    x = 11,741,464,174.41/122,917.46
  6. Step 6: Final answer
    x = 95,523.16

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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.