Home / 194,975.80-292,463.70-172,814.20

Finding the Fourth Proportional to 194,975.80, 292,463.70 and 172,814.20

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Solution

The fourth proportional to 194,975.80, 292,463.70 and 172,814.20 is: 259,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,975.80 : 292,463.70 = 172,814.20 : x
  2. Step 2: Convert to fraction form
    194,975.80/292,463.70 = 172,814.20/x
  3. Step 3: Cross multiply
    194,975.80x = 292,463.70 × 172,814.20
  4. Step 4: Simplify right side
    194,975.80x = 50,541,880,344.54
  5. Step 5: Solve for x
    x = 50,541,880,344.54/194,975.80
  6. Step 6: Final answer
    x = 259,221.30

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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.