Home / 143,072.66-214,643.18-43,233.85

Finding the Fourth Proportional to 143,072.66, 214,643.18 and 43,233.85

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Solution

The fourth proportional to 143,072.66, 214,643.18 and 43,233.85 is: 64,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,072.66 : 214,643.18 = 43,233.85 : x
  2. Step 2: Convert to fraction form
    143,072.66/214,643.18 = 43,233.85/x
  3. Step 3: Cross multiply
    143,072.66x = 214,643.18 × 43,233.85
  4. Step 4: Simplify right side
    143,072.66x = 9,279,851,424.03
  5. Step 5: Solve for x
    x = 9,279,851,424.03/143,072.66
  6. Step 6: Final answer
    x = 64,861.11

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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.