Home / 113,226.96-156,213.30-67,919.64

Finding the Fourth Proportional to 113,226.96, 156,213.30 and 67,919.64

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Solution

The fourth proportional to 113,226.96, 156,213.30 and 67,919.64 is: 93,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,226.96 : 156,213.30 = 67,919.64 : x
  2. Step 2: Convert to fraction form
    113,226.96/156,213.30 = 67,919.64/x
  3. Step 3: Cross multiply
    113,226.96x = 156,213.30 × 67,919.64
  4. Step 4: Simplify right side
    113,226.96x = 10,609,951,099.21
  5. Step 5: Solve for x
    x = 10,609,951,099.21/113,226.96
  6. Step 6: Final answer
    x = 93,705.17

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1.5x scale

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.