Home / 113,489.80-170,234.70-30,383.80

Finding the Fourth Proportional to 113,489.80, 170,234.70 and 30,383.80

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Solution

The fourth proportional to 113,489.80, 170,234.70 and 30,383.80 is: 45,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,489.80 : 170,234.70 = 30,383.80 : x
  2. Step 2: Convert to fraction form
    113,489.80/170,234.70 = 30,383.80/x
  3. Step 3: Cross multiply
    113,489.80x = 170,234.70 × 30,383.80
  4. Step 4: Simplify right side
    113,489.80x = 5,172,377,077.86
  5. Step 5: Solve for x
    x = 5,172,377,077.86/113,489.80
  6. Step 6: Final answer
    x = 45,575.70

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1.5x scale

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.