Home / 163,241.28-225,216.72-91,611.36

Finding the Fourth Proportional to 163,241.28, 225,216.72 and 91,611.36

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Solution

The fourth proportional to 163,241.28, 225,216.72 and 91,611.36 is: 126,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,241.28 : 225,216.72 = 91,611.36 : x
  2. Step 2: Convert to fraction form
    163,241.28/225,216.72 = 91,611.36/x
  3. Step 3: Cross multiply
    163,241.28x = 225,216.72 × 91,611.36
  4. Step 4: Simplify right side
    163,241.28x = 20,632,410,013.94
  5. Step 5: Solve for x
    x = 20,632,410,013.94/163,241.28
  6. Step 6: Final answer
    x = 126,392.11

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1.5x scale

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.