Home / 126,849.92-190,392.96-64,567.04

Finding the Fourth Proportional to 126,849.92, 190,392.96 and 64,567.04

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Solution

The fourth proportional to 126,849.92, 190,392.96 and 64,567.04 is: 96,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,849.92 : 190,392.96 = 64,567.04 : x
  2. Step 2: Convert to fraction form
    126,849.92/190,392.96 = 64,567.04/x
  3. Step 3: Cross multiply
    126,849.92x = 190,392.96 × 64,567.04
  4. Step 4: Simplify right side
    126,849.92x = 12,293,109,864.04
  5. Step 5: Solve for x
    x = 12,293,109,864.04/126,849.92
  6. Step 6: Final answer
    x = 96,910.66

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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.