Home / 117,028.46-161,499.10-63,313.30

Finding the Fourth Proportional to 117,028.46, 161,499.10 and 63,313.30

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Solution

The fourth proportional to 117,028.46, 161,499.10 and 63,313.30 is: 87,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,028.46 : 161,499.10 = 63,313.30 : x
  2. Step 2: Convert to fraction form
    117,028.46/161,499.10 = 63,313.30/x
  3. Step 3: Cross multiply
    117,028.46x = 161,499.10 × 63,313.30
  4. Step 4: Simplify right side
    117,028.46x = 10,225,040,968.03
  5. Step 5: Solve for x
    x = 10,225,040,968.03/117,028.46
  6. Step 6: Final answer
    x = 87,372.26

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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.