Home / 114,466.20-158,004.26-78,141.66

Finding the Fourth Proportional to 114,466.20, 158,004.26 and 78,141.66

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Solution

The fourth proportional to 114,466.20, 158,004.26 and 78,141.66 is: 107,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,466.20 : 158,004.26 = 78,141.66 : x
  2. Step 2: Convert to fraction form
    114,466.20/158,004.26 = 78,141.66/x
  3. Step 3: Cross multiply
    114,466.20x = 158,004.26 × 78,141.66
  4. Step 4: Simplify right side
    114,466.20x = 12,346,715,163.47
  5. Step 5: Solve for x
    x = 12,346,715,163.47/114,466.20
  6. Step 6: Final answer
    x = 107,863.41

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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.