Home / 178,897.38-268,355.37-45,778.86

Finding the Fourth Proportional to 178,897.38, 268,355.37 and 45,778.86

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Solution

The fourth proportional to 178,897.38, 268,355.37 and 45,778.86 is: 68,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,897.38 : 268,355.37 = 45,778.86 : x
  2. Step 2: Convert to fraction form
    178,897.38/268,355.37 = 45,778.86/x
  3. Step 3: Cross multiply
    178,897.38x = 268,355.37 × 45,778.86
  4. Step 4: Simplify right side
    178,897.38x = 12,285,002,913.48
  5. Step 5: Solve for x
    x = 12,285,002,913.48/178,897.38
  6. Step 6: Final answer
    x = 68,670.67

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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.