Home / 129,231.87-193,825.94-35,715.75

Finding the Fourth Proportional to 129,231.87, 193,825.94 and 35,715.75

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Solution

The fourth proportional to 129,231.87, 193,825.94 and 35,715.75 is: 53,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,231.87 : 193,825.94 = 35,715.75 : x
  2. Step 2: Convert to fraction form
    129,231.87/193,825.94 = 35,715.75/x
  3. Step 3: Cross multiply
    129,231.87x = 193,825.94 × 35,715.75
  4. Step 4: Simplify right side
    129,231.87x = 6,922,638,637.98
  5. Step 5: Solve for x
    x = 6,922,638,637.98/129,231.87
  6. Step 6: Final answer
    x = 53,567.58

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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.