Home / 161,834.90-242,723.12-43,478.54

Finding the Fourth Proportional to 161,834.90, 242,723.12 and 43,478.54

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Solution

The fourth proportional to 161,834.90, 242,723.12 and 43,478.54 is: 65,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,834.90 : 242,723.12 = 43,478.54 : x
  2. Step 2: Convert to fraction form
    161,834.90/242,723.12 = 43,478.54/x
  3. Step 3: Cross multiply
    161,834.90x = 242,723.12 × 43,478.54
  4. Step 4: Simplify right side
    161,834.90x = 10,553,246,361.05
  5. Step 5: Solve for x
    x = 10,553,246,361.05/161,834.90
  6. Step 6: Final answer
    x = 65,209.96

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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.