Home / 129,370.50-194,055.75-35,876.25

Finding the Fourth Proportional to 129,370.50, 194,055.75 and 35,876.25

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Solution

The fourth proportional to 129,370.50, 194,055.75 and 35,876.25 is: 53,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,370.50 : 194,055.75 = 35,876.25 : x
  2. Step 2: Convert to fraction form
    129,370.50/194,055.75 = 35,876.25/x
  3. Step 3: Cross multiply
    129,370.50x = 194,055.75 × 35,876.25
  4. Step 4: Simplify right side
    129,370.50x = 6,961,992,600.94
  5. Step 5: Solve for x
    x = 6,961,992,600.94/129,370.50
  6. Step 6: Final answer
    x = 53,814.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.