Home / 129,944.88-194,995.08-56,072.88

Finding the Fourth Proportional to 129,944.88, 194,995.08 and 56,072.88

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Solution

The fourth proportional to 129,944.88, 194,995.08 and 56,072.88 is: 84,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,944.88 : 194,995.08 = 56,072.88 : x
  2. Step 2: Convert to fraction form
    129,944.88/194,995.08 = 56,072.88/x
  3. Step 3: Cross multiply
    129,944.88x = 194,995.08 × 56,072.88
  4. Step 4: Simplify right side
    129,944.88x = 10,933,935,721.43
  5. Step 5: Solve for x
    x = 10,933,935,721.43/129,944.88
  6. Step 6: Final answer
    x = 84,142.87

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1.5x scale

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.