Home / 112,492.60-168,738.90-45,910.60

Finding the Fourth Proportional to 112,492.60, 168,738.90 and 45,910.60

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Solution

The fourth proportional to 112,492.60, 168,738.90 and 45,910.60 is: 68,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,492.60 : 168,738.90 = 45,910.60 : x
  2. Step 2: Convert to fraction form
    112,492.60/168,738.90 = 45,910.60/x
  3. Step 3: Cross multiply
    112,492.60x = 168,738.90 × 45,910.60
  4. Step 4: Simplify right side
    112,492.60x = 7,746,904,142.34
  5. Step 5: Solve for x
    x = 7,746,904,142.34/112,492.60
  6. Step 6: Final answer
    x = 68,865.90

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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.