Home / 81,340.18-122,014.62-25,219.06

Finding the Fourth Proportional to 81,340.18, 122,014.62 and 25,219.06

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Solution

The fourth proportional to 81,340.18, 122,014.62 and 25,219.06 is: 37,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,340.18 : 122,014.62 = 25,219.06 : x
  2. Step 2: Convert to fraction form
    81,340.18/122,014.62 = 25,219.06/x
  3. Step 3: Cross multiply
    81,340.18x = 122,014.62 × 25,219.06
  4. Step 4: Simplify right side
    81,340.18x = 3,077,094,022.66
  5. Step 5: Solve for x
    x = 3,077,094,022.66/81,340.18
  6. Step 6: Final answer
    x = 37,829.94

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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.