Home / 129,377.04-194,140.71-54,492.54

Finding the Fourth Proportional to 129,377.04, 194,140.71 and 54,492.54

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Solution

The fourth proportional to 129,377.04, 194,140.71 and 54,492.54 is: 81,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,377.04 : 194,140.71 = 54,492.54 : x
  2. Step 2: Convert to fraction form
    129,377.04/194,140.71 = 54,492.54/x
  3. Step 3: Cross multiply
    129,377.04x = 194,140.71 × 54,492.54
  4. Step 4: Simplify right side
    129,377.04x = 10,579,220,405.30
  5. Step 5: Solve for x
    x = 10,579,220,405.30/129,377.04
  6. Step 6: Final answer
    x = 81,770.46

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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.