Home / 172,105.10-237,530.68-135,723.14

Finding the Fourth Proportional to 172,105.10, 237,530.68 and 135,723.14

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Solution

The fourth proportional to 172,105.10, 237,530.68 and 135,723.14 is: 187,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,105.10 : 237,530.68 = 135,723.14 : x
  2. Step 2: Convert to fraction form
    172,105.10/237,530.68 = 135,723.14/x
  3. Step 3: Cross multiply
    172,105.10x = 237,530.68 × 135,723.14
  4. Step 4: Simplify right side
    172,105.10x = 32,238,409,735.94
  5. Step 5: Solve for x
    x = 32,238,409,735.94/172,105.10
  6. Step 6: Final answer
    x = 187,318.15

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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.