Home / 163,519.92-225,656.54-91,899.32

Finding the Fourth Proportional to 163,519.92, 225,656.54 and 91,899.32

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Solution

The fourth proportional to 163,519.92, 225,656.54 and 91,899.32 is: 126,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,519.92 : 225,656.54 = 91,899.32 : x
  2. Step 2: Convert to fraction form
    163,519.92/225,656.54 = 91,899.32/x
  3. Step 3: Cross multiply
    163,519.92x = 225,656.54 × 91,899.32
  4. Step 4: Simplify right side
    163,519.92x = 20,737,682,579.55
  5. Step 5: Solve for x
    x = 20,737,682,579.55/163,519.92
  6. Step 6: Final answer
    x = 126,820.53

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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.