Home / 143,021.66-214,567.17-43,175.89

Finding the Fourth Proportional to 143,021.66, 214,567.17 and 43,175.89

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Solution

The fourth proportional to 143,021.66, 214,567.17 and 43,175.89 is: 64,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,021.66 : 214,567.17 = 43,175.89 : x
  2. Step 2: Convert to fraction form
    143,021.66/214,567.17 = 43,175.89/x
  3. Step 3: Cross multiply
    143,021.66x = 214,567.17 × 43,175.89
  4. Step 4: Simplify right side
    143,021.66x = 9,264,128,529.53
  5. Step 5: Solve for x
    x = 9,264,128,529.53/143,021.66
  6. Step 6: Final answer
    x = 64,774.30

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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.