Home / 126,663.84-189,934.38-51,754.23

Finding the Fourth Proportional to 126,663.84, 189,934.38 and 51,754.23

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Solution

The fourth proportional to 126,663.84, 189,934.38 and 51,754.23 is: 77,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,663.84 : 189,934.38 = 51,754.23 : x
  2. Step 2: Convert to fraction form
    126,663.84/189,934.38 = 51,754.23/x
  3. Step 3: Cross multiply
    126,663.84x = 189,934.38 × 51,754.23
  4. Step 4: Simplify right side
    126,663.84x = 9,829,907,587.43
  5. Step 5: Solve for x
    x = 9,829,907,587.43/126,663.84
  6. Step 6: Final answer
    x = 77,606.27

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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.