Home / 121,759.20-168,044.22-68,048.10

Finding the Fourth Proportional to 121,759.20, 168,044.22 and 68,048.10

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Solution

The fourth proportional to 121,759.20, 168,044.22 and 68,048.10 is: 93,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,759.20 : 168,044.22 = 68,048.10 : x
  2. Step 2: Convert to fraction form
    121,759.20/168,044.22 = 68,048.10/x
  3. Step 3: Cross multiply
    121,759.20x = 168,044.22 × 68,048.10
  4. Step 4: Simplify right side
    121,759.20x = 11,435,089,886.98
  5. Step 5: Solve for x
    x = 11,435,089,886.98/121,759.20
  6. Step 6: Final answer
    x = 93,915.61

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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.