Home / 129,784.52-194,593.08-50,906.72

Finding the Fourth Proportional to 129,784.52, 194,593.08 and 50,906.72

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Solution

The fourth proportional to 129,784.52, 194,593.08 and 50,906.72 is: 76,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,784.52 : 194,593.08 = 50,906.72 : x
  2. Step 2: Convert to fraction form
    129,784.52/194,593.08 = 50,906.72/x
  3. Step 3: Cross multiply
    129,784.52x = 194,593.08 × 50,906.72
  4. Step 4: Simplify right side
    129,784.52x = 9,906,095,437.50
  5. Step 5: Solve for x
    x = 9,906,095,437.50/129,784.52
  6. Step 6: Final answer
    x = 76,327.25

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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.