Home / 121,922.04-168,244.50-68,197.86

Finding the Fourth Proportional to 121,922.04, 168,244.50 and 68,197.86

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Solution

The fourth proportional to 121,922.04, 168,244.50 and 68,197.86 is: 94,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,922.04 : 168,244.50 = 68,197.86 : x
  2. Step 2: Convert to fraction form
    121,922.04/168,244.50 = 68,197.86/x
  3. Step 3: Cross multiply
    121,922.04x = 168,244.50 × 68,197.86
  4. Step 4: Simplify right side
    121,922.04x = 11,473,914,856.77
  5. Step 5: Solve for x
    x = 11,473,914,856.77/121,922.04
  6. Step 6: Final answer
    x = 94,108.62

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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.