Home / 129,976.88-194,965.31-46,870.88

Finding the Fourth Proportional to 129,976.88, 194,965.31 and 46,870.88

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Solution

The fourth proportional to 129,976.88, 194,965.31 and 46,870.88 is: 70,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,976.88 : 194,965.31 = 46,870.88 : x
  2. Step 2: Convert to fraction form
    129,976.88/194,965.31 = 46,870.88/x
  3. Step 3: Cross multiply
    129,976.88x = 194,965.31 × 46,870.88
  4. Step 4: Simplify right side
    129,976.88x = 9,138,194,791.52
  5. Step 5: Solve for x
    x = 9,138,194,791.52/129,976.88
  6. Step 6: Final answer
    x = 70,306.31

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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.