Home / 129,548.30-194,303.99-40,799.50

Finding the Fourth Proportional to 129,548.30, 194,303.99 and 40,799.50

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Solution

The fourth proportional to 129,548.30, 194,303.99 and 40,799.50 is: 61,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,548.30 : 194,303.99 = 40,799.50 : x
  2. Step 2: Convert to fraction form
    129,548.30/194,303.99 = 40,799.50/x
  3. Step 3: Cross multiply
    129,548.30x = 194,303.99 × 40,799.50
  4. Step 4: Simplify right side
    129,548.30x = 7,927,504,668.49
  5. Step 5: Solve for x
    x = 7,927,504,668.49/129,548.30
  6. Step 6: Final answer
    x = 61,193.43

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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.