Home / 126,264.24-189,505.08-51,426

Finding the Fourth Proportional to 126,264.24, 189,505.08 and 51,426

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Solution

The fourth proportional to 126,264.24, 189,505.08 and 51,426 is: 77,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,264.24 : 189,505.08 = 51,426 : x
  2. Step 2: Convert to fraction form
    126,264.24/189,505.08 = 51,426/x
  3. Step 3: Cross multiply
    126,264.24x = 189,505.08 × 51,426
  4. Step 4: Simplify right side
    126,264.24x = 9,745,488,244.08
  5. Step 5: Solve for x
    x = 9,745,488,244.08/126,264.24
  6. Step 6: Final answer
    x = 77,183.28

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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.