Home / 126,563.96-189,752.24-76,632.32

Finding the Fourth Proportional to 126,563.96, 189,752.24 and 76,632.32

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Solution

The fourth proportional to 126,563.96, 189,752.24 and 76,632.32 is: 114,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,563.96 : 189,752.24 = 76,632.32 : x
  2. Step 2: Convert to fraction form
    126,563.96/189,752.24 = 76,632.32/x
  3. Step 3: Cross multiply
    126,563.96x = 189,752.24 × 76,632.32
  4. Step 4: Simplify right side
    126,563.96x = 14,541,154,376.40
  5. Step 5: Solve for x
    x = 14,541,154,376.40/126,563.96
  6. Step 6: Final answer
    x = 114,891.75

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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.