Home / 129,555.80-194,444.48-50,725.40

Finding the Fourth Proportional to 129,555.80, 194,444.48 and 50,725.40

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Solution

The fourth proportional to 129,555.80, 194,444.48 and 50,725.40 is: 76,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,555.80 : 194,444.48 = 50,725.40 : x
  2. Step 2: Convert to fraction form
    129,555.80/194,444.48 = 50,725.40/x
  3. Step 3: Cross multiply
    129,555.80x = 194,444.48 × 50,725.40
  4. Step 4: Simplify right side
    129,555.80x = 9,863,274,025.79
  5. Step 5: Solve for x
    x = 9,863,274,025.79/129,555.80
  6. Step 6: Final answer
    x = 76,131.47

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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.