Home / 236,829.14-326,813.97-129,394.10

Finding the Fourth Proportional to 236,829.14, 326,813.97 and 129,394.10

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Solution

The fourth proportional to 236,829.14, 326,813.97 and 129,394.10 is: 178,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,829.14 : 326,813.97 = 129,394.10 : x
  2. Step 2: Convert to fraction form
    236,829.14/326,813.97 = 129,394.10/x
  3. Step 3: Cross multiply
    236,829.14x = 326,813.97 × 129,394.10
  4. Step 4: Simplify right side
    236,829.14x = 42,287,799,515.58
  5. Step 5: Solve for x
    x = 42,287,799,515.58/236,829.14
  6. Step 6: Final answer
    x = 178,558.26

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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.