Home / 252,396.09-378,667.17-81,614.16

Finding the Fourth Proportional to 252,396.09, 378,667.17 and 81,614.16

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Solution

The fourth proportional to 252,396.09, 378,667.17 and 81,614.16 is: 122,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,396.09 : 378,667.17 = 81,614.16 : x
  2. Step 2: Convert to fraction form
    252,396.09/378,667.17 = 81,614.16/x
  3. Step 3: Cross multiply
    252,396.09x = 378,667.17 × 81,614.16
  4. Step 4: Simplify right side
    252,396.09x = 30,904,602,999.13
  5. Step 5: Solve for x
    x = 30,904,602,999.13/252,396.09
  6. Step 6: Final answer
    x = 122,444.86

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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.