Home / 191,129.12-263,757.84-106,245.92

Finding the Fourth Proportional to 191,129.12, 263,757.84 and 106,245.92

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Solution

The fourth proportional to 191,129.12, 263,757.84 and 106,245.92 is: 146,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,129.12 : 263,757.84 = 106,245.92 : x
  2. Step 2: Convert to fraction form
    191,129.12/263,757.84 = 106,245.92/x
  3. Step 3: Cross multiply
    191,129.12x = 263,757.84 × 106,245.92
  4. Step 4: Simplify right side
    191,129.12x = 28,023,194,368.01
  5. Step 5: Solve for x
    x = 28,023,194,368.01/191,129.12
  6. Step 6: Final answer
    x = 146,619.18

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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.