Home / 89,419.12-134,149.40-26,236.68

Finding the Fourth Proportional to 89,419.12, 134,149.40 and 26,236.68

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Solution

The fourth proportional to 89,419.12, 134,149.40 and 26,236.68 is: 39,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,419.12 : 134,149.40 = 26,236.68 : x
  2. Step 2: Convert to fraction form
    89,419.12/134,149.40 = 26,236.68/x
  3. Step 3: Cross multiply
    89,419.12x = 134,149.40 × 26,236.68
  4. Step 4: Simplify right side
    89,419.12x = 3,519,634,879.99
  5. Step 5: Solve for x
    x = 3,519,634,879.99/89,419.12
  6. Step 6: Final answer
    x = 39,361.10

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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.