Home / 117,254-161,840.04-66,982.16

Finding the Fourth Proportional to 117,254, 161,840.04 and 66,982.16

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Solution

The fourth proportional to 117,254, 161,840.04 and 66,982.16 is: 92,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,254 : 161,840.04 = 66,982.16 : x
  2. Step 2: Convert to fraction form
    117,254/161,840.04 = 66,982.16/x
  3. Step 3: Cross multiply
    117,254x = 161,840.04 × 66,982.16
  4. Step 4: Simplify right side
    117,254x = 10,840,395,453.69
  5. Step 5: Solve for x
    x = 10,840,395,453.69/117,254
  6. Step 6: Final answer
    x = 92,452.24

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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.