Home / 129,938.22-179,313.39-73,351.98

Finding the Fourth Proportional to 129,938.22, 179,313.39 and 73,351.98

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Solution

The fourth proportional to 129,938.22, 179,313.39 and 73,351.98 is: 101,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,938.22 : 179,313.39 = 73,351.98 : x
  2. Step 2: Convert to fraction form
    129,938.22/179,313.39 = 73,351.98/x
  3. Step 3: Cross multiply
    129,938.22x = 179,313.39 × 73,351.98
  4. Step 4: Simplify right side
    129,938.22x = 13,152,992,197.01
  5. Step 5: Solve for x
    x = 13,152,992,197.01/129,938.22
  6. Step 6: Final answer
    x = 101,224.97

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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.