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Finding the Fourth Proportional to 72,146.37, 108,230.32 and 22,222.29

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Solution

The fourth proportional to 72,146.37, 108,230.32 and 22,222.29 is: 33,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,146.37 : 108,230.32 = 22,222.29 : x
  2. Step 2: Convert to fraction form
    72,146.37/108,230.32 = 22,222.29/x
  3. Step 3: Cross multiply
    72,146.37x = 108,230.32 × 22,222.29
  4. Step 4: Simplify right side
    72,146.37x = 2,405,125,557.83
  5. Step 5: Solve for x
    x = 2,405,125,557.83/72,146.37
  6. Step 6: Final answer
    x = 33,336.75

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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.