Home / 126,679.52-190,046.34-46,717.68

Finding the Fourth Proportional to 126,679.52, 190,046.34 and 46,717.68

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Solution

The fourth proportional to 126,679.52, 190,046.34 and 46,717.68 is: 70,086.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,679.52 : 190,046.34 = 46,717.68 : x
  2. Step 2: Convert to fraction form
    126,679.52/190,046.34 = 46,717.68/x
  3. Step 3: Cross multiply
    126,679.52x = 190,046.34 × 46,717.68
  4. Step 4: Simplify right side
    126,679.52x = 8,878,524,097.29
  5. Step 5: Solve for x
    x = 8,878,524,097.29/126,679.52
  6. Step 6: Final answer
    x = 70,086.50

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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.