Home / 174,675.40-261,786.30-80,981.80

Finding the Fourth Proportional to 174,675.40, 261,786.30 and 80,981.80

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Solution

The fourth proportional to 174,675.40, 261,786.30 and 80,981.80 is: 121,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,675.40 : 261,786.30 = 80,981.80 : x
  2. Step 2: Convert to fraction form
    174,675.40/261,786.30 = 80,981.80/x
  3. Step 3: Cross multiply
    174,675.40x = 261,786.30 × 80,981.80
  4. Step 4: Simplify right side
    174,675.40x = 21,199,925,789.34
  5. Step 5: Solve for x
    x = 21,199,925,789.34/174,675.40
  6. Step 6: Final answer
    x = 121,367.55

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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.