Home / 129,701.98-194,494.65-125,619.58

Finding the Fourth Proportional to 129,701.98, 194,494.65 and 125,619.58

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Solution

The fourth proportional to 129,701.98, 194,494.65 and 125,619.58 is: 188,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,701.98 : 194,494.65 = 125,619.58 : x
  2. Step 2: Convert to fraction form
    129,701.98/194,494.65 = 125,619.58/x
  3. Step 3: Cross multiply
    129,701.98x = 194,494.65 × 125,619.58
  4. Step 4: Simplify right side
    129,701.98x = 24,432,336,245.25
  5. Step 5: Solve for x
    x = 24,432,336,245.25/129,701.98
  6. Step 6: Final answer
    x = 188,372.89

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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.