Home / 129,914.76-179,285.20-73,326.54

Finding the Fourth Proportional to 129,914.76, 179,285.20 and 73,326.54

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Solution

The fourth proportional to 129,914.76, 179,285.20 and 73,326.54 is: 101,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914.76 : 179,285.20 = 73,326.54 : x
  2. Step 2: Convert to fraction form
    129,914.76/179,285.20 = 73,326.54/x
  3. Step 3: Cross multiply
    129,914.76x = 179,285.20 × 73,326.54
  4. Step 4: Simplify right side
    129,914.76x = 13,146,363,389.21
  5. Step 5: Solve for x
    x = 13,146,363,389.21/129,914.76
  6. Step 6: Final answer
    x = 101,192.22

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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.