Home / 199,625.66-275,466.86-113,561.74

Finding the Fourth Proportional to 199,625.66, 275,466.86 and 113,561.74

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Solution

The fourth proportional to 199,625.66, 275,466.86 and 113,561.74 is: 156,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,625.66 : 275,466.86 = 113,561.74 : x
  2. Step 2: Convert to fraction form
    199,625.66/275,466.86 = 113,561.74/x
  3. Step 3: Cross multiply
    199,625.66x = 275,466.86 × 113,561.74
  4. Step 4: Simplify right side
    199,625.66x = 31,282,494,272.70
  5. Step 5: Solve for x
    x = 31,282,494,272.70/199,625.66
  6. Step 6: Final answer
    x = 156,705.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.