Home / 129,701.60-194,609.58-54,873.38

Finding the Fourth Proportional to 129,701.60, 194,609.58 and 54,873.38

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Solution

The fourth proportional to 129,701.60, 194,609.58 and 54,873.38 is: 82,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,701.60 : 194,609.58 = 54,873.38 : x
  2. Step 2: Convert to fraction form
    129,701.60/194,609.58 = 54,873.38/x
  3. Step 3: Cross multiply
    129,701.60x = 194,609.58 × 54,873.38
  4. Step 4: Simplify right side
    129,701.60x = 10,678,885,434.98
  5. Step 5: Solve for x
    x = 10,678,885,434.98/129,701.60
  6. Step 6: Final answer
    x = 82,334.26

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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.