Home / 164,709.11-227,298.81-89,257.61

Finding the Fourth Proportional to 164,709.11, 227,298.81 and 89,257.61

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Solution

The fourth proportional to 164,709.11, 227,298.81 and 89,257.61 is: 123,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,709.11 : 227,298.81 = 89,257.61 : x
  2. Step 2: Convert to fraction form
    164,709.11/227,298.81 = 89,257.61/x
  3. Step 3: Cross multiply
    164,709.11x = 227,298.81 × 89,257.61
  4. Step 4: Simplify right side
    164,709.11x = 20,288,148,536.44
  5. Step 5: Solve for x
    x = 20,288,148,536.44/164,709.11
  6. Step 6: Final answer
    x = 123,175.63

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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.