Home / 163,529.28-225,671.04-91,912.32

Finding the Fourth Proportional to 163,529.28, 225,671.04 and 91,912.32

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Solution

The fourth proportional to 163,529.28, 225,671.04 and 91,912.32 is: 126,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,529.28 : 225,671.04 = 91,912.32 : x
  2. Step 2: Convert to fraction form
    163,529.28/225,671.04 = 91,912.32/x
  3. Step 3: Cross multiply
    163,529.28x = 225,671.04 × 91,912.32
  4. Step 4: Simplify right side
    163,529.28x = 20,741,948,843.21
  5. Step 5: Solve for x
    x = 20,741,948,843.21/163,529.28
  6. Step 6: Final answer
    x = 126,839.36

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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.