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Finding the Fourth Proportional to 213,589.69, 294,750.53 and 116,793.86

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Solution

The fourth proportional to 213,589.69, 294,750.53 and 116,793.86 is: 161,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,589.69 : 294,750.53 = 116,793.86 : x
  2. Step 2: Convert to fraction form
    213,589.69/294,750.53 = 116,793.86/x
  3. Step 3: Cross multiply
    213,589.69x = 294,750.53 × 116,793.86
  4. Step 4: Simplify right side
    213,589.69x = 34,425,052,135.75
  5. Step 5: Solve for x
    x = 34,425,052,135.75/213,589.69
  6. Step 6: Final answer
    x = 161,173.75

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1.5x scale

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.