Home / 236,747.25-326,709.27-129,317.31

Finding the Fourth Proportional to 236,747.25, 326,709.27 and 129,317.31

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Solution

The fourth proportional to 236,747.25, 326,709.27 and 129,317.31 is: 178,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,747.25 : 326,709.27 = 129,317.31 : x
  2. Step 2: Convert to fraction form
    236,747.25/326,709.27 = 129,317.31/x
  3. Step 3: Cross multiply
    236,747.25x = 326,709.27 × 129,317.31
  4. Step 4: Simplify right side
    236,747.25x = 42,249,163,948.46
  5. Step 5: Solve for x
    x = 42,249,163,948.46/236,747.25
  6. Step 6: Final answer
    x = 178,456.83

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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.