Home / 95,767.54-143,778.28-81,817.21

Finding the Fourth Proportional to 95,767.54, 143,778.28 and 81,817.21

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Solution

The fourth proportional to 95,767.54, 143,778.28 and 81,817.21 is: 122,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,767.54 : 143,778.28 = 81,817.21 : x
  2. Step 2: Convert to fraction form
    95,767.54/143,778.28 = 81,817.21/x
  3. Step 3: Cross multiply
    95,767.54x = 143,778.28 × 81,817.21
  4. Step 4: Simplify right side
    95,767.54x = 11,763,537,319.11
  5. Step 5: Solve for x
    x = 11,763,537,319.11/95,767.54
  6. Step 6: Final answer
    x = 122,834.29

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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.