Home / 214,847.78-322,278.06-102,539.84

Finding the Fourth Proportional to 214,847.78, 322,278.06 and 102,539.84

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Solution

The fourth proportional to 214,847.78, 322,278.06 and 102,539.84 is: 153,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,847.78 : 322,278.06 = 102,539.84 : x
  2. Step 2: Convert to fraction form
    214,847.78/322,278.06 = 102,539.84/x
  3. Step 3: Cross multiply
    214,847.78x = 322,278.06 × 102,539.84
  4. Step 4: Simplify right side
    214,847.78x = 33,046,340,707.91
  5. Step 5: Solve for x
    x = 33,046,340,707.91/214,847.78
  6. Step 6: Final answer
    x = 153,812.81

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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.