Home / 220,915.92-304,872.62-125,431.52

Finding the Fourth Proportional to 220,915.92, 304,872.62 and 125,431.52

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Solution

The fourth proportional to 220,915.92, 304,872.62 and 125,431.52 is: 173,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,915.92 : 304,872.62 = 125,431.52 : x
  2. Step 2: Convert to fraction form
    220,915.92/304,872.62 = 125,431.52/x
  3. Step 3: Cross multiply
    220,915.92x = 304,872.62 × 125,431.52
  4. Step 4: Simplify right side
    220,915.92x = 38,240,636,132.98
  5. Step 5: Solve for x
    x = 38,240,636,132.98/220,915.92
  6. Step 6: Final answer
    x = 173,100.41

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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.