Home / 234,548.21-323,667.86-127,115.96

Finding the Fourth Proportional to 234,548.21, 323,667.86 and 127,115.96

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Solution

The fourth proportional to 234,548.21, 323,667.86 and 127,115.96 is: 175,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,548.21 : 323,667.86 = 127,115.96 : x
  2. Step 2: Convert to fraction form
    234,548.21/323,667.86 = 127,115.96/x
  3. Step 3: Cross multiply
    234,548.21x = 323,667.86 × 127,115.96
  4. Step 4: Simplify right side
    234,548.21x = 41,143,348,491.13
  5. Step 5: Solve for x
    x = 41,143,348,491.13/234,548.21
  6. Step 6: Final answer
    x = 175,415.31

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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.