Home / 208,868.98-313,022.83-113,956.95

Finding the Fourth Proportional to 208,868.98, 313,022.83 and 113,956.95

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Solution

The fourth proportional to 208,868.98, 313,022.83 and 113,956.95 is: 170,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,868.98 : 313,022.83 = 113,956.95 : x
  2. Step 2: Convert to fraction form
    208,868.98/313,022.83 = 113,956.95/x
  3. Step 3: Cross multiply
    208,868.98x = 313,022.83 × 113,956.95
  4. Step 4: Simplify right side
    208,868.98x = 35,671,126,987.17
  5. Step 5: Solve for x
    x = 35,671,126,987.17/208,868.98
  6. Step 6: Final answer
    x = 170,782.31

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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.