Home / 163,579.92-225,743.85-99,952.80

Finding the Fourth Proportional to 163,579.92, 225,743.85 and 99,952.80

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Solution

The fourth proportional to 163,579.92, 225,743.85 and 99,952.80 is: 137,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,579.92 : 225,743.85 = 99,952.80 : x
  2. Step 2: Convert to fraction form
    163,579.92/225,743.85 = 99,952.80/x
  3. Step 3: Cross multiply
    163,579.92x = 225,743.85 × 99,952.80
  4. Step 4: Simplify right side
    163,579.92x = 22,563,729,890.28
  5. Step 5: Solve for x
    x = 22,563,729,890.28/163,579.92
  6. Step 6: Final answer
    x = 137,937.04

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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.