Home / 143,747.43-215,607.65-67,828.29

Finding the Fourth Proportional to 143,747.43, 215,607.65 and 67,828.29

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Solution

The fourth proportional to 143,747.43, 215,607.65 and 67,828.29 is: 101,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,747.43 : 215,607.65 = 67,828.29 : x
  2. Step 2: Convert to fraction form
    143,747.43/215,607.65 = 67,828.29/x
  3. Step 3: Cross multiply
    143,747.43x = 215,607.65 × 67,828.29
  4. Step 4: Simplify right side
    143,747.43x = 14,624,297,871.28
  5. Step 5: Solve for x
    x = 14,624,297,871.28/143,747.43
  6. Step 6: Final answer
    x = 101,736.06

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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.