Home / 236,769.54-326,764.47-129,355.71

Finding the Fourth Proportional to 236,769.54, 326,764.47 and 129,355.71

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Solution

The fourth proportional to 236,769.54, 326,764.47 and 129,355.71 is: 178,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,769.54 : 326,764.47 = 129,355.71 : x
  2. Step 2: Convert to fraction form
    236,769.54/326,764.47 = 129,355.71/x
  3. Step 3: Cross multiply
    236,769.54x = 326,764.47 × 129,355.71
  4. Step 4: Simplify right side
    236,769.54x = 42,268,850,019.62
  5. Step 5: Solve for x
    x = 42,268,850,019.62/236,769.54
  6. Step 6: Final answer
    x = 178,523.17

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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.