Home / 143,225.25-214,885.26-76,650.54

Finding the Fourth Proportional to 143,225.25, 214,885.26 and 76,650.54

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Solution

The fourth proportional to 143,225.25, 214,885.26 and 76,650.54 is: 115,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.25 : 214,885.26 = 76,650.54 : x
  2. Step 2: Convert to fraction form
    143,225.25/214,885.26 = 76,650.54/x
  3. Step 3: Cross multiply
    143,225.25x = 214,885.26 × 76,650.54
  4. Step 4: Simplify right side
    143,225.25x = 16,471,071,217.04
  5. Step 5: Solve for x
    x = 16,471,071,217.04/143,225.25
  6. Step 6: Final answer
    x = 115,001.17

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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.