Home / 129,672.32-194,595.98-50,776.70

Finding the Fourth Proportional to 129,672.32, 194,595.98 and 50,776.70

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Solution

The fourth proportional to 129,672.32, 194,595.98 and 50,776.70 is: 76,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,672.32 : 194,595.98 = 50,776.70 : x
  2. Step 2: Convert to fraction form
    129,672.32/194,595.98 = 50,776.70/x
  3. Step 3: Cross multiply
    129,672.32x = 194,595.98 × 50,776.70
  4. Step 4: Simplify right side
    129,672.32x = 9,880,940,470.80
  5. Step 5: Solve for x
    x = 9,880,940,470.80/129,672.32
  6. Step 6: Final answer
    x = 76,199.31

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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.