Home / 113,605.20-156,786.84-68,297.94

Finding the Fourth Proportional to 113,605.20, 156,786.84 and 68,297.94

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Solution

The fourth proportional to 113,605.20, 156,786.84 and 68,297.94 is: 94,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.20 : 156,786.84 = 68,297.94 : x
  2. Step 2: Convert to fraction form
    113,605.20/156,786.84 = 68,297.94/x
  3. Step 3: Cross multiply
    113,605.20x = 156,786.84 × 68,297.94
  4. Step 4: Simplify right side
    113,605.20x = 10,708,218,191.11
  5. Step 5: Solve for x
    x = 10,708,218,191.11/113,605.20
  6. Step 6: Final answer
    x = 94,258.17

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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.