Home / 163,045.89-225,003.33-91,425.92

Finding the Fourth Proportional to 163,045.89, 225,003.33 and 91,425.92

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Solution

The fourth proportional to 163,045.89, 225,003.33 and 91,425.92 is: 126,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,045.89 : 225,003.33 = 91,425.92 : x
  2. Step 2: Convert to fraction form
    163,045.89/225,003.33 = 91,425.92/x
  3. Step 3: Cross multiply
    163,045.89x = 225,003.33 × 91,425.92
  4. Step 4: Simplify right side
    163,045.89x = 20,571,135,323.30
  5. Step 5: Solve for x
    x = 20,571,135,323.30/163,045.89
  6. Step 6: Final answer
    x = 126,167.76

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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.