Home / 220,872.42-304,701.35-130,166.60

Finding the Fourth Proportional to 220,872.42, 304,701.35 and 130,166.60

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Solution

The fourth proportional to 220,872.42, 304,701.35 and 130,166.60 is: 179,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,872.42 : 304,701.35 = 130,166.60 : x
  2. Step 2: Convert to fraction form
    220,872.42/304,701.35 = 130,166.60/x
  3. Step 3: Cross multiply
    220,872.42x = 304,701.35 × 130,166.60
  4. Step 4: Simplify right side
    220,872.42x = 39,661,936,570.57
  5. Step 5: Solve for x
    x = 39,661,936,570.57/220,872.42
  6. Step 6: Final answer
    x = 179,569.44

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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.