Home / 143,927.10-215,890.65-113,859.90

Finding the Fourth Proportional to 143,927.10, 215,890.65 and 113,859.90

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Solution

The fourth proportional to 143,927.10, 215,890.65 and 113,859.90 is: 170,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,927.10 : 215,890.65 = 113,859.90 : x
  2. Step 2: Convert to fraction form
    143,927.10/215,890.65 = 113,859.90/x
  3. Step 3: Cross multiply
    143,927.10x = 215,890.65 × 113,859.90
  4. Step 4: Simplify right side
    143,927.10x = 24,581,287,819.94
  5. Step 5: Solve for x
    x = 24,581,287,819.94/143,927.10
  6. Step 6: Final answer
    x = 170,789.85

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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.