Home / 143,550.48-215,336.72-43,719.16

Finding the Fourth Proportional to 143,550.48, 215,336.72 and 43,719.16

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Solution

The fourth proportional to 143,550.48, 215,336.72 and 43,719.16 is: 65,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,550.48 : 215,336.72 = 43,719.16 : x
  2. Step 2: Convert to fraction form
    143,550.48/215,336.72 = 43,719.16/x
  3. Step 3: Cross multiply
    143,550.48x = 215,336.72 × 43,719.16
  4. Step 4: Simplify right side
    143,550.48x = 9,414,340,515.56
  5. Step 5: Solve for x
    x = 9,414,340,515.56/143,550.48
  6. Step 6: Final answer
    x = 65,582.09

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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.