Home / 143,072.60-214,646.31-83,043.36

Finding the Fourth Proportional to 143,072.60, 214,646.31 and 83,043.36

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Solution

The fourth proportional to 143,072.60, 214,646.31 and 83,043.36 is: 124,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,072.60 : 214,646.31 = 83,043.36 : x
  2. Step 2: Convert to fraction form
    143,072.60/214,646.31 = 83,043.36/x
  3. Step 3: Cross multiply
    143,072.60x = 214,646.31 × 83,043.36
  4. Step 4: Simplify right side
    143,072.60x = 17,824,950,794.00
  5. Step 5: Solve for x
    x = 17,824,950,794.00/143,072.60
  6. Step 6: Final answer
    x = 124,586.76

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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.