Home / 120,147.44-165,796.77-66,429.23

Finding the Fourth Proportional to 120,147.44, 165,796.77 and 66,429.23

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Solution

The fourth proportional to 120,147.44, 165,796.77 and 66,429.23 is: 91,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,147.44 : 165,796.77 = 66,429.23 : x
  2. Step 2: Convert to fraction form
    120,147.44/165,796.77 = 66,429.23/x
  3. Step 3: Cross multiply
    120,147.44x = 165,796.77 × 66,429.23
  4. Step 4: Simplify right side
    120,147.44x = 11,013,750,606.46
  5. Step 5: Solve for x
    x = 11,013,750,606.46/120,147.44
  6. Step 6: Final answer
    x = 91,668.63

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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.