Home / 135,393.94-186,849.48-74,964.58

Finding the Fourth Proportional to 135,393.94, 186,849.48 and 74,964.58

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Solution

The fourth proportional to 135,393.94, 186,849.48 and 74,964.58 is: 103,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,393.94 : 186,849.48 = 74,964.58 : x
  2. Step 2: Convert to fraction form
    135,393.94/186,849.48 = 74,964.58/x
  3. Step 3: Cross multiply
    135,393.94x = 186,849.48 × 74,964.58
  4. Step 4: Simplify right side
    135,393.94x = 14,007,092,791.42
  5. Step 5: Solve for x
    x = 14,007,092,791.42/135,393.94
  6. Step 6: Final answer
    x = 103,454.36

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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.