Home / 143,317.29-214,980.80-38,136.36

Finding the Fourth Proportional to 143,317.29, 214,980.80 and 38,136.36

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Solution

The fourth proportional to 143,317.29, 214,980.80 and 38,136.36 is: 57,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,317.29 : 214,980.80 = 38,136.36 : x
  2. Step 2: Convert to fraction form
    143,317.29/214,980.80 = 38,136.36/x
  3. Step 3: Cross multiply
    143,317.29x = 214,980.80 × 38,136.36
  4. Step 4: Simplify right side
    143,317.29x = 8,198,584,991.21
  5. Step 5: Solve for x
    x = 8,198,584,991.21/143,317.29
  6. Step 6: Final answer
    x = 57,205.83

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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.