Home / 130,262.24-179,789.96-79,291.36

Finding the Fourth Proportional to 130,262.24, 179,789.96 and 79,291.36

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Solution

The fourth proportional to 130,262.24, 179,789.96 and 79,291.36 is: 109,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,262.24 : 179,789.96 = 79,291.36 : x
  2. Step 2: Convert to fraction form
    130,262.24/179,789.96 = 79,291.36/x
  3. Step 3: Cross multiply
    130,262.24x = 179,789.96 × 79,291.36
  4. Step 4: Simplify right side
    130,262.24x = 14,255,790,442.75
  5. Step 5: Solve for x
    x = 14,255,790,442.75/130,262.24
  6. Step 6: Final answer
    x = 109,439.16

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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.