Home / 149,915.41-206,877.04-88,701.28

Finding the Fourth Proportional to 149,915.41, 206,877.04 and 88,701.28

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Solution

The fourth proportional to 149,915.41, 206,877.04 and 88,701.28 is: 122,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,915.41 : 206,877.04 = 88,701.28 : x
  2. Step 2: Convert to fraction form
    149,915.41/206,877.04 = 88,701.28/x
  3. Step 3: Cross multiply
    149,915.41x = 206,877.04 × 88,701.28
  4. Step 4: Simplify right side
    149,915.41x = 18,350,257,511.67
  5. Step 5: Solve for x
    x = 18,350,257,511.67/149,915.41
  6. Step 6: Final answer
    x = 122,404.08

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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.