Home / 163,561.24-225,713.32-90,964.82

Finding the Fourth Proportional to 163,561.24, 225,713.32 and 90,964.82

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Solution

The fourth proportional to 163,561.24, 225,713.32 and 90,964.82 is: 125,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,561.24 : 225,713.32 = 90,964.82 : x
  2. Step 2: Convert to fraction form
    163,561.24/225,713.32 = 90,964.82/x
  3. Step 3: Cross multiply
    163,561.24x = 225,713.32 × 90,964.82
  4. Step 4: Simplify right side
    163,561.24x = 20,531,971,862.27
  5. Step 5: Solve for x
    x = 20,531,971,862.27/163,561.24
  6. Step 6: Final answer
    x = 125,530.79

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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.