Home / 178,740.42-268,110.39-45,620.67

Finding the Fourth Proportional to 178,740.42, 268,110.39 and 45,620.67

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Solution

The fourth proportional to 178,740.42, 268,110.39 and 45,620.67 is: 68,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,740.42 : 268,110.39 = 45,620.67 : x
  2. Step 2: Convert to fraction form
    178,740.42/268,110.39 = 45,620.67/x
  3. Step 3: Cross multiply
    178,740.42x = 268,110.39 × 45,620.67
  4. Step 4: Simplify right side
    178,740.42x = 12,231,375,625.76
  5. Step 5: Solve for x
    x = 12,231,375,625.76/178,740.42
  6. Step 6: Final answer
    x = 68,430.94

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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.