Home / 163,154.88-225,157.20-91,540.08

Finding the Fourth Proportional to 163,154.88, 225,157.20 and 91,540.08

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Solution

The fourth proportional to 163,154.88, 225,157.20 and 91,540.08 is: 126,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,154.88 : 225,157.20 = 91,540.08 : x
  2. Step 2: Convert to fraction form
    163,154.88/225,157.20 = 91,540.08/x
  3. Step 3: Cross multiply
    163,154.88x = 225,157.20 × 91,540.08
  4. Step 4: Simplify right side
    163,154.88x = 20,610,908,100.58
  5. Step 5: Solve for x
    x = 20,610,908,100.58/163,154.88
  6. Step 6: Final answer
    x = 126,327.25

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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.