Home / 117,028.26-161,498.93-63,313.29

Finding the Fourth Proportional to 117,028.26, 161,498.93 and 63,313.29

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Solution

The fourth proportional to 117,028.26, 161,498.93 and 63,313.29 is: 87,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.26 : 161,498.93 = 63,313.29 : x
  2. Step 2: Convert to fraction form
    117,028.26/161,498.93 = 63,313.29/x
  3. Step 3: Cross multiply
    117,028.26x = 161,498.93 × 63,313.29
  4. Step 4: Simplify right side
    117,028.26x = 10,225,028,273.21
  5. Step 5: Solve for x
    x = 10,225,028,273.21/117,028.26
  6. Step 6: Final answer
    x = 87,372.30

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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.