Home / 163,463.40-225,579.69-91,843.38

Finding the Fourth Proportional to 163,463.40, 225,579.69 and 91,843.38

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Solution

The fourth proportional to 163,463.40, 225,579.69 and 91,843.38 is: 126,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,463.40 : 225,579.69 = 91,843.38 : x
  2. Step 2: Convert to fraction form
    163,463.40/225,579.69 = 91,843.38/x
  3. Step 3: Cross multiply
    163,463.40x = 225,579.69 × 91,843.38
  4. Step 4: Simplify right side
    163,463.40x = 20,718,001,188.95
  5. Step 5: Solve for x
    x = 20,718,001,188.95/163,463.40
  6. Step 6: Final answer
    x = 126,743.98

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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.