Home / 236,537.31-326,422.91-129,105.04

Finding the Fourth Proportional to 236,537.31, 326,422.91 and 129,105.04

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Solution

The fourth proportional to 236,537.31, 326,422.91 and 129,105.04 is: 178,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,537.31 : 326,422.91 = 129,105.04 : x
  2. Step 2: Convert to fraction form
    236,537.31/326,422.91 = 129,105.04/x
  3. Step 3: Cross multiply
    236,537.31x = 326,422.91 × 129,105.04
  4. Step 4: Simplify right side
    236,537.31x = 42,142,842,971.21
  5. Step 5: Solve for x
    x = 42,142,842,971.21/236,537.31
  6. Step 6: Final answer
    x = 178,165.73

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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.