Home / 130,403.72-195,704.10-95,433.59

Finding the Fourth Proportional to 130,403.72, 195,704.10 and 95,433.59

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Solution

The fourth proportional to 130,403.72, 195,704.10 and 95,433.59 is: 143,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,403.72 : 195,704.10 = 95,433.59 : x
  2. Step 2: Convert to fraction form
    130,403.72/195,704.10 = 95,433.59/x
  3. Step 3: Cross multiply
    130,403.72x = 195,704.10 × 95,433.59
  4. Step 4: Simplify right side
    130,403.72x = 18,676,745,329.98
  5. Step 5: Solve for x
    x = 18,676,745,329.98/130,403.72
  6. Step 6: Final answer
    x = 143,222.49

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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.