Home / 143,231.84-214,773.96-64,278.38

Finding the Fourth Proportional to 143,231.84, 214,773.96 and 64,278.38

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Solution

The fourth proportional to 143,231.84, 214,773.96 and 64,278.38 is: 96,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,231.84 : 214,773.96 = 64,278.38 : x
  2. Step 2: Convert to fraction form
    143,231.84/214,773.96 = 64,278.38/x
  3. Step 3: Cross multiply
    143,231.84x = 214,773.96 × 64,278.38
  4. Step 4: Simplify right side
    143,231.84x = 13,805,322,214.98
  5. Step 5: Solve for x
    x = 13,805,322,214.98/143,231.84
  6. Step 6: Final answer
    x = 96,384.45

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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.