Home / 143,282.82-214,774.74-80,010.18

Finding the Fourth Proportional to 143,282.82, 214,774.74 and 80,010.18

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Solution

The fourth proportional to 143,282.82, 214,774.74 and 80,010.18 is: 119,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,282.82 : 214,774.74 = 80,010.18 : x
  2. Step 2: Convert to fraction form
    143,282.82/214,774.74 = 80,010.18/x
  3. Step 3: Cross multiply
    143,282.82x = 214,774.74 × 80,010.18
  4. Step 4: Simplify right side
    143,282.82x = 17,184,165,606.85
  5. Step 5: Solve for x
    x = 17,184,165,606.85/143,282.82
  6. Step 6: Final answer
    x = 119,931.79

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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.