Home / 129,736.89-179,036.93-73,148.27

Finding the Fourth Proportional to 129,736.89, 179,036.93 and 73,148.27

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Solution

The fourth proportional to 129,736.89, 179,036.93 and 73,148.27 is: 100,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736.89 : 179,036.93 = 73,148.27 : x
  2. Step 2: Convert to fraction form
    129,736.89/179,036.93 = 73,148.27/x
  3. Step 3: Cross multiply
    129,736.89x = 179,036.93 × 73,148.27
  4. Step 4: Simplify right side
    129,736.89x = 13,096,240,983.30
  5. Step 5: Solve for x
    x = 13,096,240,983.30/129,736.89
  6. Step 6: Final answer
    x = 100,944.62

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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.