Home / 181,131.39-271,061.44-145,505.16

Finding the Fourth Proportional to 181,131.39, 271,061.44 and 145,505.16

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Solution

The fourth proportional to 181,131.39, 271,061.44 and 145,505.16 is: 217,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,131.39 : 271,061.44 = 145,505.16 : x
  2. Step 2: Convert to fraction form
    181,131.39/271,061.44 = 145,505.16/x
  3. Step 3: Cross multiply
    181,131.39x = 271,061.44 × 145,505.16
  4. Step 4: Simplify right side
    181,131.39x = 39,440,837,833.27
  5. Step 5: Solve for x
    x = 39,440,837,833.27/181,131.39
  6. Step 6: Final answer
    x = 217,747.12

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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.