Home / 126,904.92-190,308.16-67,708.29

Finding the Fourth Proportional to 126,904.92, 190,308.16 and 67,708.29

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Solution

The fourth proportional to 126,904.92, 190,308.16 and 67,708.29 is: 101,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904.92 : 190,308.16 = 67,708.29 : x
  2. Step 2: Convert to fraction form
    126,904.92/190,308.16 = 67,708.29/x
  3. Step 3: Cross multiply
    126,904.92x = 190,308.16 × 67,708.29
  4. Step 4: Simplify right side
    126,904.92x = 12,885,440,086.65
  5. Step 5: Solve for x
    x = 12,885,440,086.65/126,904.92
  6. Step 6: Final answer
    x = 101,536.17

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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.