Home / 86,180.36-118,888.98-50,371.88

Finding the Fourth Proportional to 86,180.36, 118,888.98 and 50,371.88

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Solution

The fourth proportional to 86,180.36, 118,888.98 and 50,371.88 is: 69,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.36 : 118,888.98 = 50,371.88 : x
  2. Step 2: Convert to fraction form
    86,180.36/118,888.98 = 50,371.88/x
  3. Step 3: Cross multiply
    86,180.36x = 118,888.98 × 50,371.88
  4. Step 4: Simplify right side
    86,180.36x = 5,988,661,433.88
  5. Step 5: Solve for x
    x = 5,988,661,433.88/86,180.36
  6. Step 6: Final answer
    x = 69,489.86

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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.