Home / 130,217.84-179,704.41-73,628

Finding the Fourth Proportional to 130,217.84, 179,704.41 and 73,628

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Solution

The fourth proportional to 130,217.84, 179,704.41 and 73,628 is: 101,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,217.84 : 179,704.41 = 73,628 : x
  2. Step 2: Convert to fraction form
    130,217.84/179,704.41 = 73,628/x
  3. Step 3: Cross multiply
    130,217.84x = 179,704.41 × 73,628
  4. Step 4: Simplify right side
    130,217.84x = 13,231,276,299.48
  5. Step 5: Solve for x
    x = 13,231,276,299.48/130,217.84
  6. Step 6: Final answer
    x = 101,608.78

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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.