Home / 117,288.73-161,857.51-63,572.37

Finding the Fourth Proportional to 117,288.73, 161,857.51 and 63,572.37

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Solution

The fourth proportional to 117,288.73, 161,857.51 and 63,572.37 is: 87,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,288.73 : 161,857.51 = 63,572.37 : x
  2. Step 2: Convert to fraction form
    117,288.73/161,857.51 = 63,572.37/x
  3. Step 3: Cross multiply
    117,288.73x = 161,857.51 × 63,572.37
  4. Step 4: Simplify right side
    117,288.73x = 10,289,665,513.00
  5. Step 5: Solve for x
    x = 10,289,665,513.00/117,288.73
  6. Step 6: Final answer
    x = 87,729.36

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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.