Home / 164,682.72-227,263.05-89,231.22

Finding the Fourth Proportional to 164,682.72, 227,263.05 and 89,231.22

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Solution

The fourth proportional to 164,682.72, 227,263.05 and 89,231.22 is: 123,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,682.72 : 227,263.05 = 89,231.22 : x
  2. Step 2: Convert to fraction form
    164,682.72/227,263.05 = 89,231.22/x
  3. Step 3: Cross multiply
    164,682.72x = 227,263.05 × 89,231.22
  4. Step 4: Simplify right side
    164,682.72x = 20,278,959,212.42
  5. Step 5: Solve for x
    x = 20,278,959,212.42/164,682.72
  6. Step 6: Final answer
    x = 123,139.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.