Home / 111,263.08-166,617.82-77,826.58

Finding the Fourth Proportional to 111,263.08, 166,617.82 and 77,826.58

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Solution

The fourth proportional to 111,263.08, 166,617.82 and 77,826.58 is: 116,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,263.08 : 166,617.82 = 77,826.58 : x
  2. Step 2: Convert to fraction form
    111,263.08/166,617.82 = 77,826.58/x
  3. Step 3: Cross multiply
    111,263.08x = 166,617.82 × 77,826.58
  4. Step 4: Simplify right side
    111,263.08x = 12,967,295,097.66
  5. Step 5: Solve for x
    x = 12,967,295,097.66/111,263.08
  6. Step 6: Final answer
    x = 116,546.25

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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.