Home / 86,135.94-118,836.11-52,132.07

Finding the Fourth Proportional to 86,135.94, 118,836.11 and 52,132.07

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Solution

The fourth proportional to 86,135.94, 118,836.11 and 52,132.07 is: 71,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,135.94 : 118,836.11 = 52,132.07 : x
  2. Step 2: Convert to fraction form
    86,135.94/118,836.11 = 52,132.07/x
  3. Step 3: Cross multiply
    86,135.94x = 118,836.11 × 52,132.07
  4. Step 4: Simplify right side
    86,135.94x = 6,195,172,144.39
  5. Step 5: Solve for x
    x = 6,195,172,144.39/86,135.94
  6. Step 6: Final answer
    x = 71,923.20

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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.