Home / 130,060.21-179,458.72-82,279.93

Finding the Fourth Proportional to 130,060.21, 179,458.72 and 82,279.93

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Solution

The fourth proportional to 130,060.21, 179,458.72 and 82,279.93 is: 113,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,060.21 : 179,458.72 = 82,279.93 : x
  2. Step 2: Convert to fraction form
    130,060.21/179,458.72 = 82,279.93/x
  3. Step 3: Cross multiply
    130,060.21x = 179,458.72 × 82,279.93
  4. Step 4: Simplify right side
    130,060.21x = 14,765,850,919.49
  5. Step 5: Solve for x
    x = 14,765,850,919.49/130,060.21
  6. Step 6: Final answer
    x = 113,530.89

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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.