Home / 130,252.26-179,687.79-76,536.30

Finding the Fourth Proportional to 130,252.26, 179,687.79 and 76,536.30

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Solution

The fourth proportional to 130,252.26, 179,687.79 and 76,536.30 is: 105,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,252.26 : 179,687.79 = 76,536.30 : x
  2. Step 2: Convert to fraction form
    130,252.26/179,687.79 = 76,536.30/x
  3. Step 3: Cross multiply
    130,252.26x = 179,687.79 × 76,536.30
  4. Step 4: Simplify right side
    130,252.26x = 13,752,638,601.78
  5. Step 5: Solve for x
    x = 13,752,638,601.78/130,252.26
  6. Step 6: Final answer
    x = 105,584.64

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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.