Home / 178,890.11-268,333.84-45,770.05

Finding the Fourth Proportional to 178,890.11, 268,333.84 and 45,770.05

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Solution

The fourth proportional to 178,890.11, 268,333.84 and 45,770.05 is: 68,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,890.11 : 268,333.84 = 45,770.05 : x
  2. Step 2: Convert to fraction form
    178,890.11/268,333.84 = 45,770.05/x
  3. Step 3: Cross multiply
    178,890.11x = 268,333.84 × 45,770.05
  4. Step 4: Simplify right side
    178,890.11x = 12,281,653,273.49
  5. Step 5: Solve for x
    x = 12,281,653,273.49/178,890.11
  6. Step 6: Final answer
    x = 68,654.74

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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.