Home / 130,372.24-179,898.82-73,003.58

Finding the Fourth Proportional to 130,372.24, 179,898.82 and 73,003.58

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Solution

The fourth proportional to 130,372.24, 179,898.82 and 73,003.58 is: 100,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372.24 : 179,898.82 = 73,003.58 : x
  2. Step 2: Convert to fraction form
    130,372.24/179,898.82 = 73,003.58/x
  3. Step 3: Cross multiply
    130,372.24x = 179,898.82 × 73,003.58
  4. Step 4: Simplify right side
    130,372.24x = 13,133,257,982.50
  5. Step 5: Solve for x
    x = 13,133,257,982.50/130,372.24
  6. Step 6: Final answer
    x = 100,736.62

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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.