Home / 130,288.38-179,796.25-73,699.76

Finding the Fourth Proportional to 130,288.38, 179,796.25 and 73,699.76

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Solution

The fourth proportional to 130,288.38, 179,796.25 and 73,699.76 is: 101,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,288.38 : 179,796.25 = 73,699.76 : x
  2. Step 2: Convert to fraction form
    130,288.38/179,796.25 = 73,699.76/x
  3. Step 3: Cross multiply
    130,288.38x = 179,796.25 × 73,699.76
  4. Step 4: Simplify right side
    130,288.38x = 13,250,939,390.67
  5. Step 5: Solve for x
    x = 13,250,939,390.67/130,288.38
  6. Step 6: Final answer
    x = 101,704.69

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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.