Home / 97,339.86-146,010.87-30,778.38

Finding the Fourth Proportional to 97,339.86, 146,010.87 and 30,778.38

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Solution

The fourth proportional to 97,339.86, 146,010.87 and 30,778.38 is: 46,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,339.86 : 146,010.87 = 30,778.38 : x
  2. Step 2: Convert to fraction form
    97,339.86/146,010.87 = 30,778.38/x
  3. Step 3: Cross multiply
    97,339.86x = 146,010.87 × 30,778.38
  4. Step 4: Simplify right side
    97,339.86x = 4,493,978,040.99
  5. Step 5: Solve for x
    x = 4,493,978,040.99/97,339.86
  6. Step 6: Final answer
    x = 46,167.91

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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.