Home / 81,175.44-121,774.68-25,020.24

Finding the Fourth Proportional to 81,175.44, 121,774.68 and 25,020.24

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Solution

The fourth proportional to 81,175.44, 121,774.68 and 25,020.24 is: 37,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,175.44 : 121,774.68 = 25,020.24 : x
  2. Step 2: Convert to fraction form
    81,175.44/121,774.68 = 25,020.24/x
  3. Step 3: Cross multiply
    81,175.44x = 121,774.68 × 25,020.24
  4. Step 4: Simplify right side
    81,175.44x = 3,046,831,719.52
  5. Step 5: Solve for x
    x = 3,046,831,719.52/81,175.44
  6. Step 6: Final answer
    x = 37,533.91

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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.