Home / 81,503.36-122,262.96-25,328.36

Finding the Fourth Proportional to 81,503.36, 122,262.96 and 25,328.36

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Solution

The fourth proportional to 81,503.36, 122,262.96 and 25,328.36 is: 37,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,503.36 : 122,262.96 = 25,328.36 : x
  2. Step 2: Convert to fraction form
    81,503.36/122,262.96 = 25,328.36/x
  3. Step 3: Cross multiply
    81,503.36x = 122,262.96 × 25,328.36
  4. Step 4: Simplify right side
    81,503.36x = 3,096,720,265.55
  5. Step 5: Solve for x
    x = 3,096,720,265.55/81,503.36
  6. Step 6: Final answer
    x = 37,995.00

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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.