Home / 145,229.67-217,838.58-50,481.35

Finding the Fourth Proportional to 145,229.67, 217,838.58 and 50,481.35

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Solution

The fourth proportional to 145,229.67, 217,838.58 and 50,481.35 is: 75,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,229.67 : 217,838.58 = 50,481.35 : x
  2. Step 2: Convert to fraction form
    145,229.67/217,838.58 = 50,481.35/x
  3. Step 3: Cross multiply
    145,229.67x = 217,838.58 × 50,481.35
  4. Step 4: Simplify right side
    145,229.67x = 10,996,784,511.29
  5. Step 5: Solve for x
    x = 10,996,784,511.29/145,229.67
  6. Step 6: Final answer
    x = 75,719.96

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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.