Home / 81,293.03-121,927.24-22,133.36

Finding the Fourth Proportional to 81,293.03, 121,927.24 and 22,133.36

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Solution

The fourth proportional to 81,293.03, 121,927.24 and 22,133.36 is: 33,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,293.03 : 121,927.24 = 22,133.36 : x
  2. Step 2: Convert to fraction form
    81,293.03/121,927.24 = 22,133.36/x
  3. Step 3: Cross multiply
    81,293.03x = 121,927.24 × 22,133.36
  4. Step 4: Simplify right side
    81,293.03x = 2,698,659,829.21
  5. Step 5: Solve for x
    x = 2,698,659,829.21/81,293.03
  6. Step 6: Final answer
    x = 33,196.69

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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.