Home / 130,429.22-179,992.06-73,845.86

Finding the Fourth Proportional to 130,429.22, 179,992.06 and 73,845.86

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Solution

The fourth proportional to 130,429.22, 179,992.06 and 73,845.86 is: 101,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,429.22 : 179,992.06 = 73,845.86 : x
  2. Step 2: Convert to fraction form
    130,429.22/179,992.06 = 73,845.86/x
  3. Step 3: Cross multiply
    130,429.22x = 179,992.06 × 73,845.86
  4. Step 4: Simplify right side
    130,429.22x = 13,291,667,379.30
  5. Step 5: Solve for x
    x = 13,291,667,379.30/130,429.22
  6. Step 6: Final answer
    x = 101,907.13

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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.