Home / 81,977.76-122,954.40-22,807.26

Finding the Fourth Proportional to 81,977.76, 122,954.40 and 22,807.26

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Solution

The fourth proportional to 81,977.76, 122,954.40 and 22,807.26 is: 34,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,977.76 : 122,954.40 = 22,807.26 : x
  2. Step 2: Convert to fraction form
    81,977.76/122,954.40 = 22,807.26/x
  3. Step 3: Cross multiply
    81,977.76x = 122,954.40 × 22,807.26
  4. Step 4: Simplify right side
    81,977.76x = 2,804,252,968.94
  5. Step 5: Solve for x
    x = 2,804,252,968.94/81,977.76
  6. Step 6: Final answer
    x = 34,207.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.