Home / 234,129.28-351,205.20-76,357.44

Finding the Fourth Proportional to 234,129.28, 351,205.20 and 76,357.44

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Solution

The fourth proportional to 234,129.28, 351,205.20 and 76,357.44 is: 114,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,129.28 : 351,205.20 = 76,357.44 : x
  2. Step 2: Convert to fraction form
    234,129.28/351,205.20 = 76,357.44/x
  3. Step 3: Cross multiply
    234,129.28x = 351,205.20 × 76,357.44
  4. Step 4: Simplify right side
    234,129.28x = 26,817,129,986.69
  5. Step 5: Solve for x
    x = 26,817,129,986.69/234,129.28
  6. Step 6: Final answer
    x = 114,539.84

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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.