Home / 141,958.10-195,900.66-78,294.54

Finding the Fourth Proportional to 141,958.10, 195,900.66 and 78,294.54

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Solution

The fourth proportional to 141,958.10, 195,900.66 and 78,294.54 is: 108,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,958.10 : 195,900.66 = 78,294.54 : x
  2. Step 2: Convert to fraction form
    141,958.10/195,900.66 = 78,294.54/x
  3. Step 3: Cross multiply
    141,958.10x = 195,900.66 × 78,294.54
  4. Step 4: Simplify right side
    141,958.10x = 15,337,952,060.40
  5. Step 5: Solve for x
    x = 15,337,952,060.40/141,958.10
  6. Step 6: Final answer
    x = 108,045.63

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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.