Home / 109,370.40-163,727.55-102,882.30

Finding the Fourth Proportional to 109,370.40, 163,727.55 and 102,882.30

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Solution

The fourth proportional to 109,370.40, 163,727.55 and 102,882.30 is: 154,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,370.40 : 163,727.55 = 102,882.30 : x
  2. Step 2: Convert to fraction form
    109,370.40/163,727.55 = 102,882.30/x
  3. Step 3: Cross multiply
    109,370.40x = 163,727.55 × 102,882.30
  4. Step 4: Simplify right side
    109,370.40x = 16,844,666,917.37
  5. Step 5: Solve for x
    x = 16,844,666,917.37/109,370.40
  6. Step 6: Final answer
    x = 154,014.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.