Home / 189,006.31-283,509.94-129,662.07

Finding the Fourth Proportional to 189,006.31, 283,509.94 and 129,662.07

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Solution

The fourth proportional to 189,006.31, 283,509.94 and 129,662.07 is: 194,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,006.31 : 283,509.94 = 129,662.07 : x
  2. Step 2: Convert to fraction form
    189,006.31/283,509.94 = 129,662.07/x
  3. Step 3: Cross multiply
    189,006.31x = 283,509.94 × 129,662.07
  4. Step 4: Simplify right side
    189,006.31x = 36,760,485,685.98
  5. Step 5: Solve for x
    x = 36,760,485,685.98/189,006.31
  6. Step 6: Final answer
    x = 194,493.43

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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.