Home / 163,297.85-245,016.23-79,120.73

Finding the Fourth Proportional to 163,297.85, 245,016.23 and 79,120.73

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Solution

The fourth proportional to 163,297.85, 245,016.23 and 79,120.73 is: 118,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,297.85 : 245,016.23 = 79,120.73 : x
  2. Step 2: Convert to fraction form
    163,297.85/245,016.23 = 79,120.73/x
  3. Step 3: Cross multiply
    163,297.85x = 245,016.23 × 79,120.73
  4. Step 4: Simplify right side
    163,297.85x = 19,385,861,358.76
  5. Step 5: Solve for x
    x = 19,385,861,358.76/163,297.85
  6. Step 6: Final answer
    x = 118,714.74

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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.