Home / 117,141.39-161,655.19-63,426.44

Finding the Fourth Proportional to 117,141.39, 161,655.19 and 63,426.44

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Solution

The fourth proportional to 117,141.39, 161,655.19 and 63,426.44 is: 87,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,141.39 : 161,655.19 = 63,426.44 : x
  2. Step 2: Convert to fraction form
    117,141.39/161,655.19 = 63,426.44/x
  3. Step 3: Cross multiply
    117,141.39x = 161,655.19 × 63,426.44
  4. Step 4: Simplify right side
    117,141.39x = 10,253,213,209.22
  5. Step 5: Solve for x
    x = 10,253,213,209.22/117,141.39
  6. Step 6: Final answer
    x = 87,528.53

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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.