Home / 117,252.97-161,808.03-63,538.43

Finding the Fourth Proportional to 117,252.97, 161,808.03 and 63,538.43

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Solution

The fourth proportional to 117,252.97, 161,808.03 and 63,538.43 is: 87,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252.97 : 161,808.03 = 63,538.43 : x
  2. Step 2: Convert to fraction form
    117,252.97/161,808.03 = 63,538.43/x
  3. Step 3: Cross multiply
    117,252.97x = 161,808.03 × 63,538.43
  4. Step 4: Simplify right side
    117,252.97x = 10,281,027,378.55
  5. Step 5: Solve for x
    x = 10,281,027,378.55/117,252.97
  6. Step 6: Final answer
    x = 87,682.45

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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.