Home / 220,975.74-304,932.12-130,310.94

Finding the Fourth Proportional to 220,975.74, 304,932.12 and 130,310.94

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Solution

The fourth proportional to 220,975.74, 304,932.12 and 130,310.94 is: 179,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,975.74 : 304,932.12 = 130,310.94 : x
  2. Step 2: Convert to fraction form
    220,975.74/304,932.12 = 130,310.94/x
  3. Step 3: Cross multiply
    220,975.74x = 304,932.12 × 130,310.94
  4. Step 4: Simplify right side
    220,975.74x = 39,735,991,193.39
  5. Step 5: Solve for x
    x = 39,735,991,193.39/220,975.74
  6. Step 6: Final answer
    x = 179,820.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.