Home / 154,955.41-231,934.82-79,973.42

Finding the Fourth Proportional to 154,955.41, 231,934.82 and 79,973.42

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Solution

The fourth proportional to 154,955.41, 231,934.82 and 79,973.42 is: 119,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,955.41 : 231,934.82 = 79,973.42 : x
  2. Step 2: Convert to fraction form
    154,955.41/231,934.82 = 79,973.42/x
  3. Step 3: Cross multiply
    154,955.41x = 231,934.82 × 79,973.42
  4. Step 4: Simplify right side
    154,955.41x = 18,548,619,212.94
  5. Step 5: Solve for x
    x = 18,548,619,212.94/154,955.41
  6. Step 6: Final answer
    x = 119,702.95

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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.