Home / 76,208.20-114,312.30-48,214.60

Finding the Fourth Proportional to 76,208.20, 114,312.30 and 48,214.60

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Solution

The fourth proportional to 76,208.20, 114,312.30 and 48,214.60 is: 72,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,208.20 : 114,312.30 = 48,214.60 : x
  2. Step 2: Convert to fraction form
    76,208.20/114,312.30 = 48,214.60/x
  3. Step 3: Cross multiply
    76,208.20x = 114,312.30 × 48,214.60
  4. Step 4: Simplify right side
    76,208.20x = 5,511,521,819.58
  5. Step 5: Solve for x
    x = 5,511,521,819.58/76,208.20
  6. Step 6: Final answer
    x = 72,321.90

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1.5x scale

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.