Home / 143,021.42-214,566.80-43,175.64

Finding the Fourth Proportional to 143,021.42, 214,566.80 and 43,175.64

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Solution

The fourth proportional to 143,021.42, 214,566.80 and 43,175.64 is: 64,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,021.42 : 214,566.80 = 43,175.64 : x
  2. Step 2: Convert to fraction form
    143,021.42/214,566.80 = 43,175.64/x
  3. Step 3: Cross multiply
    143,021.42x = 214,566.80 × 43,175.64
  4. Step 4: Simplify right side
    143,021.42x = 9,264,058,696.87
  5. Step 5: Solve for x
    x = 9,264,058,696.87/143,021.42
  6. Step 6: Final answer
    x = 64,773.93

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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.