Home / 117,171.84-161,696.27-63,455.61

Finding the Fourth Proportional to 117,171.84, 161,696.27 and 63,455.61

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Solution

The fourth proportional to 117,171.84, 161,696.27 and 63,455.61 is: 87,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,171.84 : 161,696.27 = 63,455.61 : x
  2. Step 2: Convert to fraction form
    117,171.84/161,696.27 = 63,455.61/x
  3. Step 3: Cross multiply
    117,171.84x = 161,696.27 × 63,455.61
  4. Step 4: Simplify right side
    117,171.84x = 10,260,535,130.30
  5. Step 5: Solve for x
    x = 10,260,535,130.30/117,171.84
  6. Step 6: Final answer
    x = 87,568.27

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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.