Home / 163,768.60-245,625.42-45,451.96

Finding the Fourth Proportional to 163,768.60, 245,625.42 and 45,451.96

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Solution

The fourth proportional to 163,768.60, 245,625.42 and 45,451.96 is: 68,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,768.60 : 245,625.42 = 45,451.96 : x
  2. Step 2: Convert to fraction form
    163,768.60/245,625.42 = 45,451.96/x
  3. Step 3: Cross multiply
    163,768.60x = 245,625.42 × 45,451.96
  4. Step 4: Simplify right side
    163,768.60x = 11,164,156,764.82
  5. Step 5: Solve for x
    x = 11,164,156,764.82/163,768.60
  6. Step 6: Final answer
    x = 68,170.31

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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.