Home / 126,218.86-189,287.18-41,956.42

Finding the Fourth Proportional to 126,218.86, 189,287.18 and 41,956.42

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Solution

The fourth proportional to 126,218.86, 189,287.18 and 41,956.42 is: 62,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.86 : 189,287.18 = 41,956.42 : x
  2. Step 2: Convert to fraction form
    126,218.86/189,287.18 = 41,956.42/x
  3. Step 3: Cross multiply
    126,218.86x = 189,287.18 × 41,956.42
  4. Step 4: Simplify right side
    126,218.86x = 7,941,812,424.70
  5. Step 5: Solve for x
    x = 7,941,812,424.70/126,218.86
  6. Step 6: Final answer
    x = 62,920.96

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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.