Home / 81,562.48-122,338.83-25,394.68

Finding the Fourth Proportional to 81,562.48, 122,338.83 and 25,394.68

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Solution

The fourth proportional to 81,562.48, 122,338.83 and 25,394.68 is: 38,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,562.48 : 122,338.83 = 25,394.68 : x
  2. Step 2: Convert to fraction form
    81,562.48/122,338.83 = 25,394.68/x
  3. Step 3: Cross multiply
    81,562.48x = 122,338.83 × 25,394.68
  4. Step 4: Simplify right side
    81,562.48x = 3,106,755,687.58
  5. Step 5: Solve for x
    x = 3,106,755,687.58/81,562.48
  6. Step 6: Final answer
    x = 38,090.50

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1.5x scale

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.