Home / 81,168.37-121,752.60-22,004.05

Finding the Fourth Proportional to 81,168.37, 121,752.60 and 22,004.05

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Solution

The fourth proportional to 81,168.37, 121,752.60 and 22,004.05 is: 33,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,168.37 : 121,752.60 = 22,004.05 : x
  2. Step 2: Convert to fraction form
    81,168.37/121,752.60 = 22,004.05/x
  3. Step 3: Cross multiply
    81,168.37x = 121,752.60 × 22,004.05
  4. Step 4: Simplify right side
    81,168.37x = 2,679,049,689.27
  5. Step 5: Solve for x
    x = 2,679,049,689.27/81,168.37
  6. Step 6: Final answer
    x = 33,006.08

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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.