Home / 187,915.30-281,872.94-162,539.40

Finding the Fourth Proportional to 187,915.30, 281,872.94 and 162,539.40

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Solution

The fourth proportional to 187,915.30, 281,872.94 and 162,539.40 is: 243,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,915.30 : 281,872.94 = 162,539.40 : x
  2. Step 2: Convert to fraction form
    187,915.30/281,872.94 = 162,539.40/x
  3. Step 3: Cross multiply
    187,915.30x = 281,872.94 × 162,539.40
  4. Step 4: Simplify right side
    187,915.30x = 45,815,458,543.84
  5. Step 5: Solve for x
    x = 45,815,458,543.84/187,915.30
  6. Step 6: Final answer
    x = 243,809.09

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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.