Home / 130,385.48-179,917.07-73,016.82

Finding the Fourth Proportional to 130,385.48, 179,917.07 and 73,016.82

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Solution

The fourth proportional to 130,385.48, 179,917.07 and 73,016.82 is: 100,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385.48 : 179,917.07 = 73,016.82 : x
  2. Step 2: Convert to fraction form
    130,385.48/179,917.07 = 73,016.82/x
  3. Step 3: Cross multiply
    130,385.48x = 179,917.07 × 73,016.82
  4. Step 4: Simplify right side
    130,385.48x = 13,136,971,950.03
  5. Step 5: Solve for x
    x = 13,136,971,950.03/130,385.48
  6. Step 6: Final answer
    x = 100,754.87

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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.