Home / 143,227.90-214,852.78-43,396.36

Finding the Fourth Proportional to 143,227.90, 214,852.78 and 43,396.36

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Solution

The fourth proportional to 143,227.90, 214,852.78 and 43,396.36 is: 65,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,227.90 : 214,852.78 = 43,396.36 : x
  2. Step 2: Convert to fraction form
    143,227.90/214,852.78 = 43,396.36/x
  3. Step 3: Cross multiply
    143,227.90x = 214,852.78 × 43,396.36
  4. Step 4: Simplify right side
    143,227.90x = 9,323,828,587.88
  5. Step 5: Solve for x
    x = 9,323,828,587.88/143,227.90
  6. Step 6: Final answer
    x = 65,097.85

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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.