Home / 163,172.82-225,181.98-91,558.02

Finding the Fourth Proportional to 163,172.82, 225,181.98 and 91,558.02

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Solution

The fourth proportional to 163,172.82, 225,181.98 and 91,558.02 is: 126,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,172.82 : 225,181.98 = 91,558.02 : x
  2. Step 2: Convert to fraction form
    163,172.82/225,181.98 = 91,558.02/x
  3. Step 3: Cross multiply
    163,172.82x = 225,181.98 × 91,558.02
  4. Step 4: Simplify right side
    163,172.82x = 20,617,216,228.48
  5. Step 5: Solve for x
    x = 20,617,216,228.48/163,172.82
  6. Step 6: Final answer
    x = 126,352.02

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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.