Home / 113,396.12-156,492.78-63,096.20

Finding the Fourth Proportional to 113,396.12, 156,492.78 and 63,096.20

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Solution

The fourth proportional to 113,396.12, 156,492.78 and 63,096.20 is: 87,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,396.12 : 156,492.78 = 63,096.20 : x
  2. Step 2: Convert to fraction form
    113,396.12/156,492.78 = 63,096.20/x
  3. Step 3: Cross multiply
    113,396.12x = 156,492.78 × 63,096.20
  4. Step 4: Simplify right side
    113,396.12x = 9,874,099,745.44
  5. Step 5: Solve for x
    x = 9,874,099,745.44/113,396.12
  6. Step 6: Final answer
    x = 87,076.17

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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.