Home / 129,478.69-194,228.70-35,984.44

Finding the Fourth Proportional to 129,478.69, 194,228.70 and 35,984.44

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Solution

The fourth proportional to 129,478.69, 194,228.70 and 35,984.44 is: 53,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,478.69 : 194,228.70 = 35,984.44 : x
  2. Step 2: Convert to fraction form
    129,478.69/194,228.70 = 35,984.44/x
  3. Step 3: Cross multiply
    129,478.69x = 194,228.70 × 35,984.44
  4. Step 4: Simplify right side
    129,478.69x = 6,989,211,001.43
  5. Step 5: Solve for x
    x = 6,989,211,001.43/129,478.69
  6. Step 6: Final answer
    x = 53,979.62

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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.