Home / 197,304.81-272,354.68-129,326.16

Finding the Fourth Proportional to 197,304.81, 272,354.68 and 129,326.16

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Solution

The fourth proportional to 197,304.81, 272,354.68 and 129,326.16 is: 178,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,304.81 : 272,354.68 = 129,326.16 : x
  2. Step 2: Convert to fraction form
    197,304.81/272,354.68 = 129,326.16/x
  3. Step 3: Cross multiply
    197,304.81x = 272,354.68 × 129,326.16
  4. Step 4: Simplify right side
    197,304.81x = 35,222,584,922.43
  5. Step 5: Solve for x
    x = 35,222,584,922.43/197,304.81
  6. Step 6: Final answer
    x = 178,518.63

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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.