Home / 143,084.88-214,539.84-68,227.92

Finding the Fourth Proportional to 143,084.88, 214,539.84 and 68,227.92

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Solution

The fourth proportional to 143,084.88, 214,539.84 and 68,227.92 is: 102,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,084.88 : 214,539.84 = 68,227.92 : x
  2. Step 2: Convert to fraction form
    143,084.88/214,539.84 = 68,227.92/x
  3. Step 3: Cross multiply
    143,084.88x = 214,539.84 × 68,227.92
  4. Step 4: Simplify right side
    143,084.88x = 14,637,607,040.33
  5. Step 5: Solve for x
    x = 14,637,607,040.33/143,084.88
  6. Step 6: Final answer
    x = 102,300.17

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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.