Home / 163,965.70-245,948.55-149,191.30

Finding the Fourth Proportional to 163,965.70, 245,948.55 and 149,191.30

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Solution

The fourth proportional to 163,965.70, 245,948.55 and 149,191.30 is: 223,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,965.70 : 245,948.55 = 149,191.30 : x
  2. Step 2: Convert to fraction form
    163,965.70/245,948.55 = 149,191.30/x
  3. Step 3: Cross multiply
    163,965.70x = 245,948.55 × 149,191.30
  4. Step 4: Simplify right side
    163,965.70x = 36,693,383,907.62
  5. Step 5: Solve for x
    x = 36,693,383,907.62/163,965.70
  6. Step 6: Final answer
    x = 223,786.95

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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.