Home / 121,742.06-168,007.77-68,029.34

Finding the Fourth Proportional to 121,742.06, 168,007.77 and 68,029.34

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Solution

The fourth proportional to 121,742.06, 168,007.77 and 68,029.34 is: 93,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,742.06 : 168,007.77 = 68,029.34 : x
  2. Step 2: Convert to fraction form
    121,742.06/168,007.77 = 68,029.34/x
  3. Step 3: Cross multiply
    121,742.06x = 168,007.77 × 68,029.34
  4. Step 4: Simplify right side
    121,742.06x = 11,429,456,867.93
  5. Step 5: Solve for x
    x = 11,429,456,867.93/121,742.06
  6. Step 6: Final answer
    x = 93,882.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.