Home / 81,155.27-121,745.98-24,995.36

Finding the Fourth Proportional to 81,155.27, 121,745.98 and 24,995.36

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Solution

The fourth proportional to 81,155.27, 121,745.98 and 24,995.36 is: 37,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,155.27 : 121,745.98 = 24,995.36 : x
  2. Step 2: Convert to fraction form
    81,155.27/121,745.98 = 24,995.36/x
  3. Step 3: Cross multiply
    81,155.27x = 121,745.98 × 24,995.36
  4. Step 4: Simplify right side
    81,155.27x = 3,043,083,927.43
  5. Step 5: Solve for x
    x = 3,043,083,927.43/81,155.27
  6. Step 6: Final answer
    x = 37,497.06

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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.