Home / 163,939.25-245,744.72-63,961.90

Finding the Fourth Proportional to 163,939.25, 245,744.72 and 63,961.90

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Solution

The fourth proportional to 163,939.25, 245,744.72 and 63,961.90 is: 95,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,939.25 : 245,744.72 = 63,961.90 : x
  2. Step 2: Convert to fraction form
    163,939.25/245,744.72 = 63,961.90/x
  3. Step 3: Cross multiply
    163,939.25x = 245,744.72 × 63,961.90
  4. Step 4: Simplify right side
    163,939.25x = 15,718,297,657.63
  5. Step 5: Solve for x
    x = 15,718,297,657.63/163,939.25
  6. Step 6: Final answer
    x = 95,878.79

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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.