Home / 119,899.44-179,651.52-77,777.28

Finding the Fourth Proportional to 119,899.44, 179,651.52 and 77,777.28

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Solution

The fourth proportional to 119,899.44, 179,651.52 and 77,777.28 is: 116,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899.44 : 179,651.52 = 77,777.28 : x
  2. Step 2: Convert to fraction form
    119,899.44/179,651.52 = 77,777.28/x
  3. Step 3: Cross multiply
    119,899.44x = 179,651.52 × 77,777.28
  4. Step 4: Simplify right side
    119,899.44x = 13,972,806,573.47
  5. Step 5: Solve for x
    x = 13,972,806,573.47/119,899.44
  6. Step 6: Final answer
    x = 116,537.71

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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.