Home / 130,315.86-179,836.74-73,738.44

Finding the Fourth Proportional to 130,315.86, 179,836.74 and 73,738.44

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Solution

The fourth proportional to 130,315.86, 179,836.74 and 73,738.44 is: 101,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,315.86 : 179,836.74 = 73,738.44 : x
  2. Step 2: Convert to fraction form
    130,315.86/179,836.74 = 73,738.44/x
  3. Step 3: Cross multiply
    130,315.86x = 179,836.74 × 73,738.44
  4. Step 4: Simplify right side
    130,315.86x = 13,260,880,662.29
  5. Step 5: Solve for x
    x = 13,260,880,662.29/130,315.86
  6. Step 6: Final answer
    x = 101,759.53

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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.