Home / 86,104.73-118,882.52-77,001.86

Finding the Fourth Proportional to 86,104.73, 118,882.52 and 77,001.86

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Solution

The fourth proportional to 86,104.73, 118,882.52 and 77,001.86 is: 106,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,104.73 : 118,882.52 = 77,001.86 : x
  2. Step 2: Convert to fraction form
    86,104.73/118,882.52 = 77,001.86/x
  3. Step 3: Cross multiply
    86,104.73x = 118,882.52 × 77,001.86
  4. Step 4: Simplify right side
    86,104.73x = 9,154,175,362.44
  5. Step 5: Solve for x
    x = 9,154,175,362.44/86,104.73
  6. Step 6: Final answer
    x = 106,314.43

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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.