Home / 129,719.41-194,654.13-54,834.69

Finding the Fourth Proportional to 129,719.41, 194,654.13 and 54,834.69

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Solution

The fourth proportional to 129,719.41, 194,654.13 and 54,834.69 is: 82,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,719.41 : 194,654.13 = 54,834.69 : x
  2. Step 2: Convert to fraction form
    129,719.41/194,654.13 = 54,834.69/x
  3. Step 3: Cross multiply
    129,719.41x = 194,654.13 × 54,834.69
  4. Step 4: Simplify right side
    129,719.41x = 10,673,798,875.77
  5. Step 5: Solve for x
    x = 10,673,798,875.77/129,719.41
  6. Step 6: Final answer
    x = 82,283.75

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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.