Home / 236,755.09-326,710.02-129,304.54

Finding the Fourth Proportional to 236,755.09, 326,710.02 and 129,304.54

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Solution

The fourth proportional to 236,755.09, 326,710.02 and 129,304.54 is: 178,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,755.09 : 326,710.02 = 129,304.54 : x
  2. Step 2: Convert to fraction form
    236,755.09/326,710.02 = 129,304.54/x
  3. Step 3: Cross multiply
    236,755.09x = 326,710.02 × 129,304.54
  4. Step 4: Simplify right side
    236,755.09x = 42,245,088,849.49
  5. Step 5: Solve for x
    x = 42,245,088,849.49/236,755.09
  6. Step 6: Final answer
    x = 178,433.71

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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.