Home / 81,346.56-121,986.96-25,173.48

Finding the Fourth Proportional to 81,346.56, 121,986.96 and 25,173.48

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Solution

The fourth proportional to 81,346.56, 121,986.96 and 25,173.48 is: 37,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346.56 : 121,986.96 = 25,173.48 : x
  2. Step 2: Convert to fraction form
    81,346.56/121,986.96 = 25,173.48/x
  3. Step 3: Cross multiply
    81,346.56x = 121,986.96 × 25,173.48
  4. Step 4: Simplify right side
    81,346.56x = 3,070,836,297.82
  5. Step 5: Solve for x
    x = 3,070,836,297.82/81,346.56
  6. Step 6: Final answer
    x = 37,750.04

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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.