Home / 72,144.36-108,226.80-22,228.52

Finding the Fourth Proportional to 72,144.36, 108,226.80 and 22,228.52

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Solution

The fourth proportional to 72,144.36, 108,226.80 and 22,228.52 is: 33,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,144.36 : 108,226.80 = 22,228.52 : x
  2. Step 2: Convert to fraction form
    72,144.36/108,226.80 = 22,228.52/x
  3. Step 3: Cross multiply
    72,144.36x = 108,226.80 × 22,228.52
  4. Step 4: Simplify right side
    72,144.36x = 2,405,721,588.34
  5. Step 5: Solve for x
    x = 2,405,721,588.34/72,144.36
  6. Step 6: Final answer
    x = 33,345.94

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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.