Home / 126,315.61-189,361.94-51,498.34

Finding the Fourth Proportional to 126,315.61, 189,361.94 and 51,498.34

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Solution

The fourth proportional to 126,315.61, 189,361.94 and 51,498.34 is: 77,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,315.61 : 189,361.94 = 51,498.34 : x
  2. Step 2: Convert to fraction form
    126,315.61/189,361.94 = 51,498.34/x
  3. Step 3: Cross multiply
    126,315.61x = 189,361.94 × 51,498.34
  4. Step 4: Simplify right side
    126,315.61x = 9,751,824,838.28
  5. Step 5: Solve for x
    x = 9,751,824,838.28/126,315.61
  6. Step 6: Final answer
    x = 77,202.06

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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.