Home / 143,007.85-214,513.40-43,169.01

Finding the Fourth Proportional to 143,007.85, 214,513.40 and 43,169.01

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Solution

The fourth proportional to 143,007.85, 214,513.40 and 43,169.01 is: 64,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,007.85 : 214,513.40 = 43,169.01 : x
  2. Step 2: Convert to fraction form
    143,007.85/214,513.40 = 43,169.01/x
  3. Step 3: Cross multiply
    143,007.85x = 214,513.40 × 43,169.01
  4. Step 4: Simplify right side
    143,007.85x = 9,260,331,109.73
  5. Step 5: Solve for x
    x = 9,260,331,109.73/143,007.85
  6. Step 6: Final answer
    x = 64,754.01

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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.