Home / 86,148.80-118,867.91-50,331.89

Finding the Fourth Proportional to 86,148.80, 118,867.91 and 50,331.89

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Solution

The fourth proportional to 86,148.80, 118,867.91 and 50,331.89 is: 69,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.80 : 118,867.91 = 50,331.89 : x
  2. Step 2: Convert to fraction form
    86,148.80/118,867.91 = 50,331.89/x
  3. Step 3: Cross multiply
    86,148.80x = 118,867.91 × 50,331.89
  4. Step 4: Simplify right side
    86,148.80x = 5,982,845,724.65
  5. Step 5: Solve for x
    x = 5,982,845,724.65/86,148.80
  6. Step 6: Final answer
    x = 69,447.82

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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.