Home / 236,829.39-326,814.94-129,403.14

Finding the Fourth Proportional to 236,829.39, 326,814.94 and 129,403.14

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Solution

The fourth proportional to 236,829.39, 326,814.94 and 129,403.14 is: 178,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,829.39 : 326,814.94 = 129,403.14 : x
  2. Step 2: Convert to fraction form
    236,829.39/326,814.94 = 129,403.14/x
  3. Step 3: Cross multiply
    236,829.39x = 326,814.94 × 129,403.14
  4. Step 4: Simplify right side
    236,829.39x = 42,290,879,434.91
  5. Step 5: Solve for x
    x = 42,290,879,434.91/236,829.39
  6. Step 6: Final answer
    x = 178,571.08

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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.