Home / 117,384.36-161,936.61-69,620.28

Finding the Fourth Proportional to 117,384.36, 161,936.61 and 69,620.28

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Solution

The fourth proportional to 117,384.36, 161,936.61 and 69,620.28 is: 96,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,384.36 : 161,936.61 = 69,620.28 : x
  2. Step 2: Convert to fraction form
    117,384.36/161,936.61 = 69,620.28/x
  3. Step 3: Cross multiply
    117,384.36x = 161,936.61 × 69,620.28
  4. Step 4: Simplify right side
    117,384.36x = 11,274,072,130.45
  5. Step 5: Solve for x
    x = 11,274,072,130.45/117,384.36
  6. Step 6: Final answer
    x = 96,044.07

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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.