Home / 178,788.54-268,182.55-45,668.84

Finding the Fourth Proportional to 178,788.54, 268,182.55 and 45,668.84

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Solution

The fourth proportional to 178,788.54, 268,182.55 and 45,668.84 is: 68,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,788.54 : 268,182.55 = 45,668.84 : x
  2. Step 2: Convert to fraction form
    178,788.54/268,182.55 = 45,668.84/x
  3. Step 3: Cross multiply
    178,788.54x = 268,182.55 × 45,668.84
  4. Step 4: Simplify right side
    178,788.54x = 12,247,584,682.92
  5. Step 5: Solve for x
    x = 12,247,584,682.92/178,788.54
  6. Step 6: Final answer
    x = 68,503.18

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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.