Home / 130,329.72-179,850.11-73,742.31

Finding the Fourth Proportional to 130,329.72, 179,850.11 and 73,742.31

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Solution

The fourth proportional to 130,329.72, 179,850.11 and 73,742.31 is: 101,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,329.72 : 179,850.11 = 73,742.31 : x
  2. Step 2: Convert to fraction form
    130,329.72/179,850.11 = 73,742.31/x
  3. Step 3: Cross multiply
    130,329.72x = 179,850.11 × 73,742.31
  4. Step 4: Simplify right side
    130,329.72x = 13,262,562,196.44
  5. Step 5: Solve for x
    x = 13,262,562,196.44/130,329.72
  6. Step 6: Final answer
    x = 101,761.61

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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.