Home / 135,440.43-187,000.16-84,473.07

Finding the Fourth Proportional to 135,440.43, 187,000.16 and 84,473.07

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Solution

The fourth proportional to 135,440.43, 187,000.16 and 84,473.07 is: 116,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,440.43 : 187,000.16 = 84,473.07 : x
  2. Step 2: Convert to fraction form
    135,440.43/187,000.16 = 84,473.07/x
  3. Step 3: Cross multiply
    135,440.43x = 187,000.16 × 84,473.07
  4. Step 4: Simplify right side
    135,440.43x = 15,796,477,183.33
  5. Step 5: Solve for x
    x = 15,796,477,183.33/135,440.43
  6. Step 6: Final answer
    x = 116,630.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.