Home / 117,028.09-161,498.34-63,313.12

Finding the Fourth Proportional to 117,028.09, 161,498.34 and 63,313.12

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Solution

The fourth proportional to 117,028.09, 161,498.34 and 63,313.12 is: 87,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.09 : 161,498.34 = 63,313.12 : x
  2. Step 2: Convert to fraction form
    117,028.09/161,498.34 = 63,313.12/x
  3. Step 3: Cross multiply
    117,028.09x = 161,498.34 × 63,313.12
  4. Step 4: Simplify right side
    117,028.09x = 10,224,962,972.73
  5. Step 5: Solve for x
    x = 10,224,962,972.73/117,028.09
  6. Step 6: Final answer
    x = 87,371.87

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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.