Home / 163,964.20-245,946.35-126,578.85

Finding the Fourth Proportional to 163,964.20, 245,946.35 and 126,578.85

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Solution

The fourth proportional to 163,964.20, 245,946.35 and 126,578.85 is: 189,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,964.20 : 245,946.35 = 126,578.85 : x
  2. Step 2: Convert to fraction form
    163,964.20/245,946.35 = 126,578.85/x
  3. Step 3: Cross multiply
    163,964.20x = 245,946.35 × 126,578.85
  4. Step 4: Simplify right side
    163,964.20x = 31,131,606,144.70
  5. Step 5: Solve for x
    x = 31,131,606,144.70/163,964.20
  6. Step 6: Final answer
    x = 189,868.31

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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.