Home / 166,915.20-250,032.60-103,540.80

Finding the Fourth Proportional to 166,915.20, 250,032.60 and 103,540.80

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Solution

The fourth proportional to 166,915.20, 250,032.60 and 103,540.80 is: 155,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,915.20 : 250,032.60 = 103,540.80 : x
  2. Step 2: Convert to fraction form
    166,915.20/250,032.60 = 103,540.80/x
  3. Step 3: Cross multiply
    166,915.20x = 250,032.60 × 103,540.80
  4. Step 4: Simplify right side
    166,915.20x = 25,888,575,430.08
  5. Step 5: Solve for x
    x = 25,888,575,430.08/166,915.20
  6. Step 6: Final answer
    x = 155,100.17

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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.