Home / 143,257.62-214,929.40-57,824.52

Finding the Fourth Proportional to 143,257.62, 214,929.40 and 57,824.52

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Solution

The fourth proportional to 143,257.62, 214,929.40 and 57,824.52 is: 86,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,257.62 : 214,929.40 = 57,824.52 : x
  2. Step 2: Convert to fraction form
    143,257.62/214,929.40 = 57,824.52/x
  3. Step 3: Cross multiply
    143,257.62x = 214,929.40 × 57,824.52
  4. Step 4: Simplify right side
    143,257.62x = 12,428,188,546.76
  5. Step 5: Solve for x
    x = 12,428,188,546.76/143,257.62
  6. Step 6: Final answer
    x = 86,754.12

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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.