Home / 129,922.70-179,293.32-73,337.72

Finding the Fourth Proportional to 129,922.70, 179,293.32 and 73,337.72

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Solution

The fourth proportional to 129,922.70, 179,293.32 and 73,337.72 is: 101,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,922.70 : 179,293.32 = 73,337.72 : x
  2. Step 2: Convert to fraction form
    129,922.70/179,293.32 = 73,337.72/x
  3. Step 3: Cross multiply
    129,922.70x = 179,293.32 × 73,337.72
  4. Step 4: Simplify right side
    129,922.70x = 13,148,962,403.56
  5. Step 5: Solve for x
    x = 13,148,962,403.56/129,922.70
  6. Step 6: Final answer
    x = 101,206.05

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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.