Home / 87,914.40-131,717.04-73,966.32

Finding the Fourth Proportional to 87,914.40, 131,717.04 and 73,966.32

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Solution

The fourth proportional to 87,914.40, 131,717.04 and 73,966.32 is: 110,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,914.40 : 131,717.04 = 73,966.32 : x
  2. Step 2: Convert to fraction form
    87,914.40/131,717.04 = 73,966.32/x
  3. Step 3: Cross multiply
    87,914.40x = 131,717.04 × 73,966.32
  4. Step 4: Simplify right side
    87,914.40x = 9,742,624,730.09
  5. Step 5: Solve for x
    x = 9,742,624,730.09/87,914.40
  6. Step 6: Final answer
    x = 110,819.44

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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.