Home / 143,624.75-215,628.01-122,699.27

Finding the Fourth Proportional to 143,624.75, 215,628.01 and 122,699.27

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Solution

The fourth proportional to 143,624.75, 215,628.01 and 122,699.27 is: 184,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,624.75 : 215,628.01 = 122,699.27 : x
  2. Step 2: Convert to fraction form
    143,624.75/215,628.01 = 122,699.27/x
  3. Step 3: Cross multiply
    143,624.75x = 215,628.01 × 122,699.27
  4. Step 4: Simplify right side
    143,624.75x = 26,457,399,650.87
  5. Step 5: Solve for x
    x = 26,457,399,650.87/143,624.75
  6. Step 6: Final answer
    x = 184,211.99

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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.