Home / 122,805.25-169,469.58-69,090.36

Finding the Fourth Proportional to 122,805.25, 169,469.58 and 69,090.36

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Solution

The fourth proportional to 122,805.25, 169,469.58 and 69,090.36 is: 95,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,805.25 : 169,469.58 = 69,090.36 : x
  2. Step 2: Convert to fraction form
    122,805.25/169,469.58 = 69,090.36/x
  3. Step 3: Cross multiply
    122,805.25x = 169,469.58 × 69,090.36
  4. Step 4: Simplify right side
    122,805.25x = 11,708,714,291.25
  5. Step 5: Solve for x
    x = 11,708,714,291.25/122,805.25
  6. Step 6: Final answer
    x = 95,343.76

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1.5x scale

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.